Home / 229,830.84-344,155.54-129,841.72

Finding the Fourth Proportional to 229,830.84, 344,155.54 and 129,841.72

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Solution

The fourth proportional to 229,830.84, 344,155.54 and 129,841.72 is: 194,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,830.84 : 344,155.54 = 129,841.72 : x
  2. Step 2: Convert to fraction form
    229,830.84/344,155.54 = 129,841.72/x
  3. Step 3: Cross multiply
    229,830.84x = 344,155.54 × 129,841.72
  4. Step 4: Simplify right side
    229,830.84x = 44,685,747,261.13
  5. Step 5: Solve for x
    x = 44,685,747,261.13/229,830.84
  6. Step 6: Final answer
    x = 194,428.86

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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.