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Finding the Fourth Proportional to 369,700.92, 510,148.96 and 272,956.24

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Solution

The fourth proportional to 369,700.92, 510,148.96 and 272,956.24 is: 376,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,700.92 : 510,148.96 = 272,956.24 : x
  2. Step 2: Convert to fraction form
    369,700.92/510,148.96 = 272,956.24/x
  3. Step 3: Cross multiply
    369,700.92x = 510,148.96 × 272,956.24
  4. Step 4: Simplify right side
    369,700.92x = 139,248,341,961.51
  5. Step 5: Solve for x
    x = 139,248,341,961.51/369,700.92
  6. Step 6: Final answer
    x = 376,651.33

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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.