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Finding the Fourth Proportional to 224,347.31, 336,742.65 and 98,074.71

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Solution

The fourth proportional to 224,347.31, 336,742.65 and 98,074.71 is: 147,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,347.31 : 336,742.65 = 98,074.71 : x
  2. Step 2: Convert to fraction form
    224,347.31/336,742.65 = 98,074.71/x
  3. Step 3: Cross multiply
    224,347.31x = 336,742.65 × 98,074.71
  4. Step 4: Simplify right side
    224,347.31x = 33,025,937,743.38
  5. Step 5: Solve for x
    x = 33,025,937,743.38/224,347.31
  6. Step 6: Final answer
    x = 147,208.98

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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.