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Finding the Fourth Proportional to 357,818.07, 536,327.12 and 155,180.21

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Solution

The fourth proportional to 357,818.07, 536,327.12 and 155,180.21 is: 232,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,818.07 : 536,327.12 = 155,180.21 : x
  2. Step 2: Convert to fraction form
    357,818.07/536,327.12 = 155,180.21/x
  3. Step 3: Cross multiply
    357,818.07x = 536,327.12 × 155,180.21
  4. Step 4: Simplify right side
    357,818.07x = 83,227,352,816.61
  5. Step 5: Solve for x
    x = 83,227,352,816.61/357,818.07
  6. Step 6: Final answer
    x = 232,596.84

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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.