Home / 239,624.28-330,790.11-152,445.21

Finding the Fourth Proportional to 239,624.28, 330,790.11 and 152,445.21

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Solution

The fourth proportional to 239,624.28, 330,790.11 and 152,445.21 is: 210,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,624.28 : 330,790.11 = 152,445.21 : x
  2. Step 2: Convert to fraction form
    239,624.28/330,790.11 = 152,445.21/x
  3. Step 3: Cross multiply
    239,624.28x = 330,790.11 × 152,445.21
  4. Step 4: Simplify right side
    239,624.28x = 50,427,367,784.87
  5. Step 5: Solve for x
    x = 50,427,367,784.87/239,624.28
  6. Step 6: Final answer
    x = 210,443.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.