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Finding the Fourth Proportional to 416,841.03, 575,239.08 and 225,854.91

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Solution

The fourth proportional to 416,841.03, 575,239.08 and 225,854.91 is: 311,678.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,841.03 : 575,239.08 = 225,854.91 : x
  2. Step 2: Convert to fraction form
    416,841.03/575,239.08 = 225,854.91/x
  3. Step 3: Cross multiply
    416,841.03x = 575,239.08 × 225,854.91
  4. Step 4: Simplify right side
    416,841.03x = 129,920,570,641.88
  5. Step 5: Solve for x
    x = 129,920,570,641.88/416,841.03
  6. Step 6: Final answer
    x = 311,678.94

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1.5x scale

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.