Home / 378,061.20-566,573.40-308,077.20

Finding the Fourth Proportional to 378,061.20, 566,573.40 and 308,077.20

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Solution

The fourth proportional to 378,061.20, 566,573.40 and 308,077.20 is: 461,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,061.20 : 566,573.40 = 308,077.20 : x
  2. Step 2: Convert to fraction form
    378,061.20/566,573.40 = 308,077.20/x
  3. Step 3: Cross multiply
    378,061.20x = 566,573.40 × 308,077.20
  4. Step 4: Simplify right side
    378,061.20x = 174,548,346,666.48
  5. Step 5: Solve for x
    x = 174,548,346,666.48/378,061.20
  6. Step 6: Final answer
    x = 461,693.36

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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.