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Finding the Fourth Proportional to 300,341.68, 450,527.48 and 89,959.56

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Solution

The fourth proportional to 300,341.68, 450,527.48 and 89,959.56 is: 134,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,341.68 : 450,527.48 = 89,959.56 : x
  2. Step 2: Convert to fraction form
    300,341.68/450,527.48 = 89,959.56/x
  3. Step 3: Cross multiply
    300,341.68x = 450,527.48 × 89,959.56
  4. Step 4: Simplify right side
    300,341.68x = 40,529,253,868.71
  5. Step 5: Solve for x
    x = 40,529,253,868.71/300,341.68
  6. Step 6: Final answer
    x = 134,943.82

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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.