Home / 557,785.70-836,611.08-153,010.86

Finding the Fourth Proportional to 557,785.70, 836,611.08 and 153,010.86

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Solution

The fourth proportional to 557,785.70, 836,611.08 and 153,010.86 is: 229,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,785.70 : 836,611.08 = 153,010.86 : x
  2. Step 2: Convert to fraction form
    557,785.70/836,611.08 = 153,010.86/x
  3. Step 3: Cross multiply
    557,785.70x = 836,611.08 × 153,010.86
  4. Step 4: Simplify right side
    557,785.70x = 128,010,580,836.33
  5. Step 5: Solve for x
    x = 128,010,580,836.33/557,785.70
  6. Step 6: Final answer
    x = 229,497.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.