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Finding the Fourth Proportional to 416,902.01, 626,189.81 and 248,750.46

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Solution

The fourth proportional to 416,902.01, 626,189.81 and 248,750.46 is: 373,624.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,902.01 : 626,189.81 = 248,750.46 : x
  2. Step 2: Convert to fraction form
    416,902.01/626,189.81 = 248,750.46/x
  3. Step 3: Cross multiply
    416,902.01x = 626,189.81 × 248,750.46
  4. Step 4: Simplify right side
    416,902.01x = 155,765,002,041.06
  5. Step 5: Solve for x
    x = 155,765,002,041.06/416,902.01
  6. Step 6: Final answer
    x = 373,624.98

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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.