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Finding the Fourth Proportional to 365,655.15, 547,498.58 and 365,655.15

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Solution

The fourth proportional to 365,655.15, 547,498.58 and 365,655.15 is: 547,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,655.15 : 547,498.58 = 365,655.15 : x
  2. Step 2: Convert to fraction form
    365,655.15/547,498.58 = 365,655.15/x
  3. Step 3: Cross multiply
    365,655.15x = 547,498.58 × 365,655.15
  4. Step 4: Simplify right side
    365,655.15x = 200,195,673,566.41
  5. Step 5: Solve for x
    x = 200,195,673,566.41/365,655.15
  6. Step 6: Final answer
    x = 547,498.58

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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.