Home / 388,184.72-582,080.04-177,642.32

Finding the Fourth Proportional to 388,184.72, 582,080.04 and 177,642.32

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Solution

The fourth proportional to 388,184.72, 582,080.04 and 177,642.32 is: 266,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,184.72 : 582,080.04 = 177,642.32 : x
  2. Step 2: Convert to fraction form
    388,184.72/582,080.04 = 177,642.32/x
  3. Step 3: Cross multiply
    388,184.72x = 582,080.04 × 177,642.32
  4. Step 4: Simplify right side
    388,184.72x = 103,402,048,731.29
  5. Step 5: Solve for x
    x = 103,402,048,731.29/388,184.72
  6. Step 6: Final answer
    x = 266,373.31

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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.