Home / 578,312.80-867,253.68-199,127.52

Finding the Fourth Proportional to 578,312.80, 867,253.68 and 199,127.52

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Solution

The fourth proportional to 578,312.80, 867,253.68 and 199,127.52 is: 298,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,312.80 : 867,253.68 = 199,127.52 : x
  2. Step 2: Convert to fraction form
    578,312.80/867,253.68 = 199,127.52/x
  3. Step 3: Cross multiply
    578,312.80x = 867,253.68 × 199,127.52
  4. Step 4: Simplify right side
    578,312.80x = 172,694,074,509.27
  5. Step 5: Solve for x
    x = 172,694,074,509.27/578,312.80
  6. Step 6: Final answer
    x = 298,617.07

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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.