Home / 578,385.12-867,614.43-178,992.36

Finding the Fourth Proportional to 578,385.12, 867,614.43 and 178,992.36

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Solution

The fourth proportional to 578,385.12, 867,614.43 and 178,992.36 is: 268,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,385.12 : 867,614.43 = 178,992.36 : x
  2. Step 2: Convert to fraction form
    578,385.12/867,614.43 = 178,992.36/x
  3. Step 3: Cross multiply
    578,385.12x = 867,614.43 × 178,992.36
  4. Step 4: Simplify right side
    578,385.12x = 155,296,354,395.76
  5. Step 5: Solve for x
    x = 155,296,354,395.76/578,385.12
  6. Step 6: Final answer
    x = 268,499.91

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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.