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Finding the Fourth Proportional to 620,136.98, 929,843.35 and 240,614.45

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Solution

The fourth proportional to 620,136.98, 929,843.35 and 240,614.45 is: 360,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,136.98 : 929,843.35 = 240,614.45 : x
  2. Step 2: Convert to fraction form
    620,136.98/929,843.35 = 240,614.45/x
  3. Step 3: Cross multiply
    620,136.98x = 929,843.35 × 240,614.45
  4. Step 4: Simplify right side
    620,136.98x = 223,733,744,482.57
  5. Step 5: Solve for x
    x = 223,733,744,482.57/620,136.98
  6. Step 6: Final answer
    x = 360,781.17

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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.