Home / 485,247.36-727,871.04-189,552

Finding the Fourth Proportional to 485,247.36, 727,871.04 and 189,552

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Solution

The fourth proportional to 485,247.36, 727,871.04 and 189,552 is: 284,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,247.36 : 727,871.04 = 189,552 : x
  2. Step 2: Convert to fraction form
    485,247.36/727,871.04 = 189,552/x
  3. Step 3: Cross multiply
    485,247.36x = 727,871.04 × 189,552
  4. Step 4: Simplify right side
    485,247.36x = 137,969,411,374.08
  5. Step 5: Solve for x
    x = 137,969,411,374.08/485,247.36
  6. Step 6: Final answer
    x = 284,328.00

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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.