Home / 578,042.80-867,047.90-157,322.32

Finding the Fourth Proportional to 578,042.80, 867,047.90 and 157,322.32

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Solution

The fourth proportional to 578,042.80, 867,047.90 and 157,322.32 is: 235,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,042.80 : 867,047.90 = 157,322.32 : x
  2. Step 2: Convert to fraction form
    578,042.80/867,047.90 = 157,322.32/x
  3. Step 3: Cross multiply
    578,042.80x = 867,047.90 × 157,322.32
  4. Step 4: Simplify right side
    578,042.80x = 136,405,987,179.13
  5. Step 5: Solve for x
    x = 136,405,987,179.13/578,042.80
  6. Step 6: Final answer
    x = 235,979.04

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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.