Home / 282,426.26-389,755.02-155,104.58

Finding the Fourth Proportional to 282,426.26, 389,755.02 and 155,104.58

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Solution

The fourth proportional to 282,426.26, 389,755.02 and 155,104.58 is: 214,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,426.26 : 389,755.02 = 155,104.58 : x
  2. Step 2: Convert to fraction form
    282,426.26/389,755.02 = 155,104.58/x
  3. Step 3: Cross multiply
    282,426.26x = 389,755.02 × 155,104.58
  4. Step 4: Simplify right side
    282,426.26x = 60,452,786,731.22
  5. Step 5: Solve for x
    x = 60,452,786,731.22/282,426.26
  6. Step 6: Final answer
    x = 214,048.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.