Home / 277,433.12-382,856.90-156,574.04

Finding the Fourth Proportional to 277,433.12, 382,856.90 and 156,574.04

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Solution

The fourth proportional to 277,433.12, 382,856.90 and 156,574.04 is: 216,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,433.12 : 382,856.90 = 156,574.04 : x
  2. Step 2: Convert to fraction form
    277,433.12/382,856.90 = 156,574.04/x
  3. Step 3: Cross multiply
    277,433.12x = 382,856.90 × 156,574.04
  4. Step 4: Simplify right side
    277,433.12x = 59,945,448,877.72
  5. Step 5: Solve for x
    x = 59,945,448,877.72/277,433.12
  6. Step 6: Final answer
    x = 216,071.71

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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.