Home / 388,666.02-582,868.86-148,724.16

Finding the Fourth Proportional to 388,666.02, 582,868.86 and 148,724.16

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Solution

The fourth proportional to 388,666.02, 582,868.86 and 148,724.16 is: 223,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,666.02 : 582,868.86 = 148,724.16 : x
  2. Step 2: Convert to fraction form
    388,666.02/582,868.86 = 148,724.16/x
  3. Step 3: Cross multiply
    388,666.02x = 582,868.86 × 148,724.16
  4. Step 4: Simplify right side
    388,666.02x = 86,686,681,593.66
  5. Step 5: Solve for x
    x = 86,686,681,593.66/388,666.02
  6. Step 6: Final answer
    x = 223,036.43

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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.