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Finding the Fourth Proportional to 350,720.84, 525,319.98 and 215,374.17

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Solution

The fourth proportional to 350,720.84, 525,319.98 and 215,374.17 is: 322,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,720.84 : 525,319.98 = 215,374.17 : x
  2. Step 2: Convert to fraction form
    350,720.84/525,319.98 = 215,374.17/x
  3. Step 3: Cross multiply
    350,720.84x = 525,319.98 × 215,374.17
  4. Step 4: Simplify right side
    350,720.84x = 113,140,352,618.31
  5. Step 5: Solve for x
    x = 113,140,352,618.31/350,720.84
  6. Step 6: Final answer
    x = 322,593.76

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1.5x scale

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.