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Finding the Fourth Proportional to 610,750.80, 916,115.40 and 250,843.68

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Solution

The fourth proportional to 610,750.80, 916,115.40 and 250,843.68 is: 376,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,750.80 : 916,115.40 = 250,843.68 : x
  2. Step 2: Convert to fraction form
    610,750.80/916,115.40 = 250,843.68/x
  3. Step 3: Cross multiply
    610,750.80x = 916,115.40 × 250,843.68
  4. Step 4: Simplify right side
    610,750.80x = 229,801,758,240.67
  5. Step 5: Solve for x
    x = 229,801,758,240.67/610,750.80
  6. Step 6: Final answer
    x = 376,261.08

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1.5x scale

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.