Home / 284,544.20-426,816.30-142,826.60

Finding the Fourth Proportional to 284,544.20, 426,816.30 and 142,826.60

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Solution

The fourth proportional to 284,544.20, 426,816.30 and 142,826.60 is: 214,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,544.20 : 426,816.30 = 142,826.60 : x
  2. Step 2: Convert to fraction form
    284,544.20/426,816.30 = 142,826.60/x
  3. Step 3: Cross multiply
    284,544.20x = 426,816.30 × 142,826.60
  4. Step 4: Simplify right side
    284,544.20x = 60,960,720,953.58
  5. Step 5: Solve for x
    x = 60,960,720,953.58/284,544.20
  6. Step 6: Final answer
    x = 214,239.90

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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.