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Finding the Fourth Proportional to 364,563.10, 546,844.65 and 231,010.30

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Solution

The fourth proportional to 364,563.10, 546,844.65 and 231,010.30 is: 346,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,563.10 : 546,844.65 = 231,010.30 : x
  2. Step 2: Convert to fraction form
    364,563.10/546,844.65 = 231,010.30/x
  3. Step 3: Cross multiply
    364,563.10x = 546,844.65 × 231,010.30
  4. Step 4: Simplify right side
    364,563.10x = 126,326,746,649.90
  5. Step 5: Solve for x
    x = 126,326,746,649.90/364,563.10
  6. Step 6: Final answer
    x = 346,515.45

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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.