Home / 282,230.10-422,999.55-124,290.90

Finding the Fourth Proportional to 282,230.10, 422,999.55 and 124,290.90

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Solution

The fourth proportional to 282,230.10, 422,999.55 and 124,290.90 is: 186,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,230.10 : 422,999.55 = 124,290.90 : x
  2. Step 2: Convert to fraction form
    282,230.10/422,999.55 = 124,290.90/x
  3. Step 3: Cross multiply
    282,230.10x = 422,999.55 × 124,290.90
  4. Step 4: Simplify right side
    282,230.10x = 52,574,994,769.10
  5. Step 5: Solve for x
    x = 52,574,994,769.10/282,230.10
  6. Step 6: Final answer
    x = 186,284.15

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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.