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Finding the Fourth Proportional to 366,902.48, 550,353.72 and 278,328.98

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Solution

The fourth proportional to 366,902.48, 550,353.72 and 278,328.98 is: 417,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,902.48 : 550,353.72 = 278,328.98 : x
  2. Step 2: Convert to fraction form
    366,902.48/550,353.72 = 278,328.98/x
  3. Step 3: Cross multiply
    366,902.48x = 550,353.72 × 278,328.98
  4. Step 4: Simplify right side
    366,902.48x = 153,179,386,775.04
  5. Step 5: Solve for x
    x = 153,179,386,775.04/366,902.48
  6. Step 6: Final answer
    x = 417,493.47

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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.