Home / 398,157.12-597,214.08-161,436.24

Finding the Fourth Proportional to 398,157.12, 597,214.08 and 161,436.24

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Solution

The fourth proportional to 398,157.12, 597,214.08 and 161,436.24 is: 242,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,157.12 : 597,214.08 = 161,436.24 : x
  2. Step 2: Convert to fraction form
    398,157.12/597,214.08 = 161,436.24/x
  3. Step 3: Cross multiply
    398,157.12x = 597,214.08 × 161,436.24
  4. Step 4: Simplify right side
    398,157.12x = 96,411,995,550.26
  5. Step 5: Solve for x
    x = 96,411,995,550.26/398,157.12
  6. Step 6: Final answer
    x = 242,145.60

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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.