Home / 434,126.70-651,253.11-134,631.39

Finding the Fourth Proportional to 434,126.70, 651,253.11 and 134,631.39

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Solution

The fourth proportional to 434,126.70, 651,253.11 and 134,631.39 is: 201,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,126.70 : 651,253.11 = 134,631.39 : x
  2. Step 2: Convert to fraction form
    434,126.70/651,253.11 = 134,631.39/x
  3. Step 3: Cross multiply
    434,126.70x = 651,253.11 × 134,631.39
  4. Step 4: Simplify right side
    434,126.70x = 87,679,111,441.12
  5. Step 5: Solve for x
    x = 87,679,111,441.12/434,126.70
  6. Step 6: Final answer
    x = 201,966.64

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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.