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Finding the Fourth Proportional to 237,322.78, 356,037.50 and 79,547.20

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Solution

The fourth proportional to 237,322.78, 356,037.50 and 79,547.20 is: 119,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,322.78 : 356,037.50 = 79,547.20 : x
  2. Step 2: Convert to fraction form
    237,322.78/356,037.50 = 79,547.20/x
  3. Step 3: Cross multiply
    237,322.78x = 356,037.50 × 79,547.20
  4. Step 4: Simplify right side
    237,322.78x = 28,321,786,220
  5. Step 5: Solve for x
    x = 28,321,786,220/237,322.78
  6. Step 6: Final answer
    x = 119,338.68

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