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Finding the Fourth Proportional to 382,360.77, 573,205.82 and 145,545.93

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Solution

The fourth proportional to 382,360.77, 573,205.82 and 145,545.93 is: 218,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,360.77 : 573,205.82 = 145,545.93 : x
  2. Step 2: Convert to fraction form
    382,360.77/573,205.82 = 145,545.93/x
  3. Step 3: Cross multiply
    382,360.77x = 573,205.82 × 145,545.93
  4. Step 4: Simplify right side
    382,360.77x = 83,427,773,425.58
  5. Step 5: Solve for x
    x = 83,427,773,425.58/382,360.77
  6. Step 6: Final answer
    x = 218,191.25

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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.