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Finding the Fourth Proportional to 350,624.84, 525,937.37 and 84,385.35

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Solution

The fourth proportional to 350,624.84, 525,937.37 and 84,385.35 is: 126,578.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,624.84 : 525,937.37 = 84,385.35 : x
  2. Step 2: Convert to fraction form
    350,624.84/525,937.37 = 84,385.35/x
  3. Step 3: Cross multiply
    350,624.84x = 525,937.37 × 84,385.35
  4. Step 4: Simplify right side
    350,624.84x = 44,381,411,310.17
  5. Step 5: Solve for x
    x = 44,381,411,310.17/350,624.84
  6. Step 6: Final answer
    x = 126,578.06

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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.