Home / 283,511.20-424,683.60-143,348.80

Finding the Fourth Proportional to 283,511.20, 424,683.60 and 143,348.80

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Solution

The fourth proportional to 283,511.20, 424,683.60 and 143,348.80 is: 214,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,511.20 : 424,683.60 = 143,348.80 : x
  2. Step 2: Convert to fraction form
    283,511.20/424,683.60 = 143,348.80/x
  3. Step 3: Cross multiply
    283,511.20x = 424,683.60 × 143,348.80
  4. Step 4: Simplify right side
    283,511.20x = 60,877,884,439.68
  5. Step 5: Solve for x
    x = 60,877,884,439.68/283,511.20
  6. Step 6: Final answer
    x = 214,728.32

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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.