Home / 277,299.90-382,672.74-156,441.18

Finding the Fourth Proportional to 277,299.90, 382,672.74 and 156,441.18

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Solution

The fourth proportional to 277,299.90, 382,672.74 and 156,441.18 is: 215,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,299.90 : 382,672.74 = 156,441.18 : x
  2. Step 2: Convert to fraction form
    277,299.90/382,672.74 = 156,441.18/x
  3. Step 3: Cross multiply
    277,299.90x = 382,672.74 × 156,441.18
  4. Step 4: Simplify right side
    277,299.90x = 59,865,774,999.43
  5. Step 5: Solve for x
    x = 59,865,774,999.43/277,299.90
  6. Step 6: Final answer
    x = 215,888.20

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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.