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Finding the Fourth Proportional to 364,230.45, 546,345.68 and 328,801.05

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Solution

The fourth proportional to 364,230.45, 546,345.68 and 328,801.05 is: 493,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,230.45 : 546,345.68 = 328,801.05 : x
  2. Step 2: Convert to fraction form
    364,230.45/546,345.68 = 328,801.05/x
  3. Step 3: Cross multiply
    364,230.45x = 546,345.68 × 328,801.05
  4. Step 4: Simplify right side
    364,230.45x = 179,639,031,602.96
  5. Step 5: Solve for x
    x = 179,639,031,602.96/364,230.45
  6. Step 6: Final answer
    x = 493,201.58

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.