Home / 347,736.15-521,355.15-134,321.40

Finding the Fourth Proportional to 347,736.15, 521,355.15 and 134,321.40

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Solution

The fourth proportional to 347,736.15, 521,355.15 and 134,321.40 is: 201,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736.15 : 521,355.15 = 134,321.40 : x
  2. Step 2: Convert to fraction form
    347,736.15/521,355.15 = 134,321.40/x
  3. Step 3: Cross multiply
    347,736.15x = 521,355.15 × 134,321.40
  4. Step 4: Simplify right side
    347,736.15x = 70,029,153,645.21
  5. Step 5: Solve for x
    x = 70,029,153,645.21/347,736.15
  6. Step 6: Final answer
    x = 201,385.89

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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.