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Finding the Fourth Proportional to 559,502.61, 839,337.32 and 199,645.41

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Solution

The fourth proportional to 559,502.61, 839,337.32 and 199,645.41 is: 299,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,502.61 : 839,337.32 = 199,645.41 : x
  2. Step 2: Convert to fraction form
    559,502.61/839,337.32 = 199,645.41/x
  3. Step 3: Cross multiply
    559,502.61x = 839,337.32 × 199,645.41
  4. Step 4: Simplify right side
    559,502.61x = 167,569,843,379.70
  5. Step 5: Solve for x
    x = 167,569,843,379.70/559,502.61
  6. Step 6: Final answer
    x = 299,497.88

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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.