Home / 284,479.02-426,734.95-106,987.57

Finding the Fourth Proportional to 284,479.02, 426,734.95 and 106,987.57

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Solution

The fourth proportional to 284,479.02, 426,734.95 and 106,987.57 is: 160,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,479.02 : 426,734.95 = 106,987.57 : x
  2. Step 2: Convert to fraction form
    284,479.02/426,734.95 = 106,987.57/x
  3. Step 3: Cross multiply
    284,479.02x = 426,734.95 × 106,987.57
  4. Step 4: Simplify right side
    284,479.02x = 45,655,334,200.87
  5. Step 5: Solve for x
    x = 45,655,334,200.87/284,479.02
  6. Step 6: Final answer
    x = 160,487.53

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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.