Home / 277,281.64-382,652.38-156,422.56

Finding the Fourth Proportional to 277,281.64, 382,652.38 and 156,422.56

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Solution

The fourth proportional to 277,281.64, 382,652.38 and 156,422.56 is: 215,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,281.64 : 382,652.38 = 156,422.56 : x
  2. Step 2: Convert to fraction form
    277,281.64/382,652.38 = 156,422.56/x
  3. Step 3: Cross multiply
    277,281.64x = 382,652.38 × 156,422.56
  4. Step 4: Simplify right side
    277,281.64x = 59,855,463,761.67
  5. Step 5: Solve for x
    x = 59,855,463,761.67/277,281.64
  6. Step 6: Final answer
    x = 215,865.22

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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.