Home / 282,574.16-389,932.68-155,255.12

Finding the Fourth Proportional to 282,574.16, 389,932.68 and 155,255.12

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Solution

The fourth proportional to 282,574.16, 389,932.68 and 155,255.12 is: 214,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,574.16 : 389,932.68 = 155,255.12 : x
  2. Step 2: Convert to fraction form
    282,574.16/389,932.68 = 155,255.12/x
  3. Step 3: Cross multiply
    282,574.16x = 389,932.68 × 155,255.12
  4. Step 4: Simplify right side
    282,574.16x = 60,539,045,025.32
  5. Step 5: Solve for x
    x = 60,539,045,025.32/282,574.16
  6. Step 6: Final answer
    x = 214,241.26

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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.