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Finding the Fourth Proportional to 240,307.64, 360,486.11 and 90,673.84

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Solution

The fourth proportional to 240,307.64, 360,486.11 and 90,673.84 is: 136,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,307.64 : 360,486.11 = 90,673.84 : x
  2. Step 2: Convert to fraction form
    240,307.64/360,486.11 = 90,673.84/x
  3. Step 3: Cross multiply
    240,307.64x = 360,486.11 × 90,673.84
  4. Step 4: Simplify right side
    240,307.64x = 32,686,657,604.56
  5. Step 5: Solve for x
    x = 32,686,657,604.56/240,307.64
  6. Step 6: Final answer
    x = 136,020.05

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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.