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Finding the Fourth Proportional to 363,012.10, 544,518.15 and 185,460.10

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Solution

The fourth proportional to 363,012.10, 544,518.15 and 185,460.10 is: 278,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,012.10 : 544,518.15 = 185,460.10 : x
  2. Step 2: Convert to fraction form
    363,012.10/544,518.15 = 185,460.10/x
  3. Step 3: Cross multiply
    363,012.10x = 544,518.15 × 185,460.10
  4. Step 4: Simplify right side
    363,012.10x = 100,986,390,550.82
  5. Step 5: Solve for x
    x = 100,986,390,550.82/363,012.10
  6. Step 6: Final answer
    x = 278,190.15

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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.