Home / 277,430.87-382,855.92-156,577.25

Finding the Fourth Proportional to 277,430.87, 382,855.92 and 156,577.25

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Solution

The fourth proportional to 277,430.87, 382,855.92 and 156,577.25 is: 216,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,430.87 : 382,855.92 = 156,577.25 : x
  2. Step 2: Convert to fraction form
    277,430.87/382,855.92 = 156,577.25/x
  3. Step 3: Cross multiply
    277,430.87x = 382,855.92 × 156,577.25
  4. Step 4: Simplify right side
    277,430.87x = 59,946,527,469.80
  5. Step 5: Solve for x
    x = 59,946,527,469.80/277,430.87
  6. Step 6: Final answer
    x = 216,077.35

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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.