Home / 342,127.91-472,117.47-189,157.25

Finding the Fourth Proportional to 342,127.91, 472,117.47 and 189,157.25

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Solution

The fourth proportional to 342,127.91, 472,117.47 and 189,157.25 is: 261,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,127.91 : 472,117.47 = 189,157.25 : x
  2. Step 2: Convert to fraction form
    342,127.91/472,117.47 = 189,157.25/x
  3. Step 3: Cross multiply
    342,127.91x = 472,117.47 × 189,157.25
  4. Step 4: Simplify right side
    342,127.91x = 89,304,442,302.16
  5. Step 5: Solve for x
    x = 89,304,442,302.16/342,127.91
  6. Step 6: Final answer
    x = 261,026.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.