Home / 284,723.40-427,085.10-180,006.60

Finding the Fourth Proportional to 284,723.40, 427,085.10 and 180,006.60

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Solution

The fourth proportional to 284,723.40, 427,085.10 and 180,006.60 is: 270,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,723.40 : 427,085.10 = 180,006.60 : x
  2. Step 2: Convert to fraction form
    284,723.40/427,085.10 = 180,006.60/x
  3. Step 3: Cross multiply
    284,723.40x = 427,085.10 × 180,006.60
  4. Step 4: Simplify right side
    284,723.40x = 76,878,136,761.66
  5. Step 5: Solve for x
    x = 76,878,136,761.66/284,723.40
  6. Step 6: Final answer
    x = 270,009.90

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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.