Home / 277,150.25-382,472.90-156,268.15

Finding the Fourth Proportional to 277,150.25, 382,472.90 and 156,268.15

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Solution

The fourth proportional to 277,150.25, 382,472.90 and 156,268.15 is: 215,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,150.25 : 382,472.90 = 156,268.15 : x
  2. Step 2: Convert to fraction form
    277,150.25/382,472.90 = 156,268.15/x
  3. Step 3: Cross multiply
    277,150.25x = 382,472.90 × 156,268.15
  4. Step 4: Simplify right side
    277,150.25x = 59,768,332,508.14
  5. Step 5: Solve for x
    x = 59,768,332,508.14/277,150.25
  6. Step 6: Final answer
    x = 215,653.18

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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.