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Finding the Fourth Proportional to 479,805.93, 662,136.12 and 264,933.18

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Solution

The fourth proportional to 479,805.93, 662,136.12 and 264,933.18 is: 365,609.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,805.93 : 662,136.12 = 264,933.18 : x
  2. Step 2: Convert to fraction form
    479,805.93/662,136.12 = 264,933.18/x
  3. Step 3: Cross multiply
    479,805.93x = 662,136.12 × 264,933.18
  4. Step 4: Simplify right side
    479,805.93x = 175,421,827,864.46
  5. Step 5: Solve for x
    x = 175,421,827,864.46/479,805.93
  6. Step 6: Final answer
    x = 365,609.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.