Home / 493,982.02-740,895.45-156,978.28

Finding the Fourth Proportional to 493,982.02, 740,895.45 and 156,978.28

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Solution

The fourth proportional to 493,982.02, 740,895.45 and 156,978.28 is: 235,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,982.02 : 740,895.45 = 156,978.28 : x
  2. Step 2: Convert to fraction form
    493,982.02/740,895.45 = 156,978.28/x
  3. Step 3: Cross multiply
    493,982.02x = 740,895.45 × 156,978.28
  4. Step 4: Simplify right side
    493,982.02x = 116,304,493,400.83
  5. Step 5: Solve for x
    x = 116,304,493,400.83/493,982.02
  6. Step 6: Final answer
    x = 235,442.77

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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.