Home / 388,566.29-582,798.40-122,328.20

Finding the Fourth Proportional to 388,566.29, 582,798.40 and 122,328.20

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Solution

The fourth proportional to 388,566.29, 582,798.40 and 122,328.20 is: 183,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,566.29 : 582,798.40 = 122,328.20 : x
  2. Step 2: Convert to fraction form
    388,566.29/582,798.40 = 122,328.20/x
  3. Step 3: Cross multiply
    388,566.29x = 582,798.40 × 122,328.20
  4. Step 4: Simplify right side
    388,566.29x = 71,292,679,234.88
  5. Step 5: Solve for x
    x = 71,292,679,234.88/388,566.29
  6. Step 6: Final answer
    x = 183,476.23

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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.