Home / 277,343.91-382,752.65-156,441.08

Finding the Fourth Proportional to 277,343.91, 382,752.65 and 156,441.08

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Solution

The fourth proportional to 277,343.91, 382,752.65 and 156,441.08 is: 215,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,343.91 : 382,752.65 = 156,441.08 : x
  2. Step 2: Convert to fraction form
    277,343.91/382,752.65 = 156,441.08/x
  3. Step 3: Cross multiply
    277,343.91x = 382,752.65 × 156,441.08
  4. Step 4: Simplify right side
    277,343.91x = 59,878,237,938.86
  5. Step 5: Solve for x
    x = 59,878,237,938.86/277,343.91
  6. Step 6: Final answer
    x = 215,898.87

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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.