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Finding the Fourth Proportional to 377,883.70, 566,490.21 and 153,410.02

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Solution

The fourth proportional to 377,883.70, 566,490.21 and 153,410.02 is: 229,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,883.70 : 566,490.21 = 153,410.02 : x
  2. Step 2: Convert to fraction form
    377,883.70/566,490.21 = 153,410.02/x
  3. Step 3: Cross multiply
    377,883.70x = 566,490.21 × 153,410.02
  4. Step 4: Simplify right side
    377,883.70x = 86,905,274,445.90
  5. Step 5: Solve for x
    x = 86,905,274,445.90/377,883.70
  6. Step 6: Final answer
    x = 229,978.89

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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.