Home / 347,777.28-521,667.84-98,459.52

Finding the Fourth Proportional to 347,777.28, 521,667.84 and 98,459.52

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Solution

The fourth proportional to 347,777.28, 521,667.84 and 98,459.52 is: 147,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,777.28 : 521,667.84 = 98,459.52 : x
  2. Step 2: Convert to fraction form
    347,777.28/521,667.84 = 98,459.52/x
  3. Step 3: Cross multiply
    347,777.28x = 521,667.84 × 98,459.52
  4. Step 4: Simplify right side
    347,777.28x = 51,363,165,125.84
  5. Step 5: Solve for x
    x = 51,363,165,125.84/347,777.28
  6. Step 6: Final answer
    x = 147,689.82

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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.