Home / 558,046.86-836,918.19-153,143.07

Finding the Fourth Proportional to 558,046.86, 836,918.19 and 153,143.07

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Solution

The fourth proportional to 558,046.86, 836,918.19 and 153,143.07 is: 229,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,046.86 : 836,918.19 = 153,143.07 : x
  2. Step 2: Convert to fraction form
    558,046.86/836,918.19 = 153,143.07/x
  3. Step 3: Cross multiply
    558,046.86x = 836,918.19 × 153,143.07
  4. Step 4: Simplify right side
    558,046.86x = 128,168,220,955.44
  5. Step 5: Solve for x
    x = 128,168,220,955.44/558,046.86
  6. Step 6: Final answer
    x = 229,672.86

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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.