Home / 347,426.93-521,290.18-134,344.86

Finding the Fourth Proportional to 347,426.93, 521,290.18 and 134,344.86

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Solution

The fourth proportional to 347,426.93, 521,290.18 and 134,344.86 is: 201,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,426.93 : 521,290.18 = 134,344.86 : x
  2. Step 2: Convert to fraction form
    347,426.93/521,290.18 = 134,344.86/x
  3. Step 3: Cross multiply
    347,426.93x = 521,290.18 × 134,344.86
  4. Step 4: Simplify right side
    347,426.93x = 70,032,656,641.14
  5. Step 5: Solve for x
    x = 70,032,656,641.14/347,426.93
  6. Step 6: Final answer
    x = 201,575.21

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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.