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Finding the Fourth Proportional to 240,263.95, 360,575.45 and 90,651.79

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Solution

The fourth proportional to 240,263.95, 360,575.45 and 90,651.79 is: 136,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,263.95 : 360,575.45 = 90,651.79 : x
  2. Step 2: Convert to fraction form
    240,263.95/360,575.45 = 90,651.79/x
  3. Step 3: Cross multiply
    240,263.95x = 360,575.45 × 90,651.79
  4. Step 4: Simplify right side
    240,263.95x = 32,686,809,519.30
  5. Step 5: Solve for x
    x = 32,686,809,519.30/240,263.95
  6. Step 6: Final answer
    x = 136,045.42

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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.