Home / 277,579.28-383,058.24-156,719.18

Finding the Fourth Proportional to 277,579.28, 383,058.24 and 156,719.18

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Solution

The fourth proportional to 277,579.28, 383,058.24 and 156,719.18 is: 216,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,579.28 : 383,058.24 = 156,719.18 : x
  2. Step 2: Convert to fraction form
    277,579.28/383,058.24 = 156,719.18/x
  3. Step 3: Cross multiply
    277,579.28x = 383,058.24 × 156,719.18
  4. Step 4: Simplify right side
    277,579.28x = 60,032,573,265.04
  5. Step 5: Solve for x
    x = 60,032,573,265.04/277,579.28
  6. Step 6: Final answer
    x = 216,271.81

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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.