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Finding the Fourth Proportional to 377,833.60, 567,595.20 and 315,625.60

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Solution

The fourth proportional to 377,833.60, 567,595.20 and 315,625.60 is: 474,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,833.60 : 567,595.20 = 315,625.60 : x
  2. Step 2: Convert to fraction form
    377,833.60/567,595.20 = 315,625.60/x
  3. Step 3: Cross multiply
    377,833.60x = 567,595.20 × 315,625.60
  4. Step 4: Simplify right side
    377,833.60x = 179,147,575,557.12
  5. Step 5: Solve for x
    x = 179,147,575,557.12/377,833.60
  6. Step 6: Final answer
    x = 474,144.11

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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.