Home / 557,470.08-836,429.76-225,072

Finding the Fourth Proportional to 557,470.08, 836,429.76 and 225,072

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Solution

The fourth proportional to 557,470.08, 836,429.76 and 225,072 is: 337,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,470.08 : 836,429.76 = 225,072 : x
  2. Step 2: Convert to fraction form
    557,470.08/836,429.76 = 225,072/x
  3. Step 3: Cross multiply
    557,470.08x = 836,429.76 × 225,072
  4. Step 4: Simplify right side
    557,470.08x = 188,256,918,942.72
  5. Step 5: Solve for x
    x = 188,256,918,942.72/557,470.08
  6. Step 6: Final answer
    x = 337,698.70

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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.