Home / 388,564.29-582,795.41-122,326.20

Finding the Fourth Proportional to 388,564.29, 582,795.41 and 122,326.20

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Solution

The fourth proportional to 388,564.29, 582,795.41 and 122,326.20 is: 183,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,564.29 : 582,795.41 = 122,326.20 : x
  2. Step 2: Convert to fraction form
    388,564.29/582,795.41 = 122,326.20/x
  3. Step 3: Cross multiply
    388,564.29x = 582,795.41 × 122,326.20
  4. Step 4: Simplify right side
    388,564.29x = 71,291,147,271.11
  5. Step 5: Solve for x
    x = 71,291,147,271.11/388,564.29
  6. Step 6: Final answer
    x = 183,473.23

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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.