Home / 282,433.49-389,757.73-155,109.08

Finding the Fourth Proportional to 282,433.49, 389,757.73 and 155,109.08

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Solution

The fourth proportional to 282,433.49, 389,757.73 and 155,109.08 is: 214,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,433.49 : 389,757.73 = 155,109.08 : x
  2. Step 2: Convert to fraction form
    282,433.49/389,757.73 = 155,109.08/x
  3. Step 3: Cross multiply
    282,433.49x = 389,757.73 × 155,109.08
  4. Step 4: Simplify right side
    282,433.49x = 60,454,962,147.64
  5. Step 5: Solve for x
    x = 60,454,962,147.64/282,433.49
  6. Step 6: Final answer
    x = 214,050.26

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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.