Home / 284,639.40-426,630.42-107,033.13

Finding the Fourth Proportional to 284,639.40, 426,630.42 and 107,033.13

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Solution

The fourth proportional to 284,639.40, 426,630.42 and 107,033.13 is: 160,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,639.40 : 426,630.42 = 107,033.13 : x
  2. Step 2: Convert to fraction form
    284,639.40/426,630.42 = 107,033.13/x
  3. Step 3: Cross multiply
    284,639.40x = 426,630.42 × 107,033.13
  4. Step 4: Simplify right side
    284,639.40x = 45,663,589,205.81
  5. Step 5: Solve for x
    x = 45,663,589,205.81/284,639.40
  6. Step 6: Final answer
    x = 160,426.10

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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.