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Finding the Fourth Proportional to 272,807.68, 376,493.52 and 165,382.24

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Solution

The fourth proportional to 272,807.68, 376,493.52 and 165,382.24 is: 228,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,807.68 : 376,493.52 = 165,382.24 : x
  2. Step 2: Convert to fraction form
    272,807.68/376,493.52 = 165,382.24/x
  3. Step 3: Cross multiply
    272,807.68x = 376,493.52 × 165,382.24
  4. Step 4: Simplify right side
    272,807.68x = 62,265,341,683.08
  5. Step 5: Solve for x
    x = 62,265,341,683.08/272,807.68
  6. Step 6: Final answer
    x = 228,238.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.