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Finding the Fourth Proportional to 334,152.80, 501,229.20 and 84,834.80

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Solution

The fourth proportional to 334,152.80, 501,229.20 and 84,834.80 is: 127,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,152.80 : 501,229.20 = 84,834.80 : x
  2. Step 2: Convert to fraction form
    334,152.80/501,229.20 = 84,834.80/x
  3. Step 3: Cross multiply
    334,152.80x = 501,229.20 × 84,834.80
  4. Step 4: Simplify right side
    334,152.80x = 42,521,678,936.16
  5. Step 5: Solve for x
    x = 42,521,678,936.16/334,152.80
  6. Step 6: Final answer
    x = 127,252.20

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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.