Home / 240,299.11-360,503.34-127,920.12

Finding the Fourth Proportional to 240,299.11, 360,503.34 and 127,920.12

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Solution

The fourth proportional to 240,299.11, 360,503.34 and 127,920.12 is: 191,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,299.11 : 360,503.34 = 127,920.12 : x
  2. Step 2: Convert to fraction form
    240,299.11/360,503.34 = 127,920.12/x
  3. Step 3: Cross multiply
    240,299.11x = 360,503.34 × 127,920.12
  4. Step 4: Simplify right side
    240,299.11x = 46,115,630,513.20
  5. Step 5: Solve for x
    x = 46,115,630,513.20/240,299.11
  6. Step 6: Final answer
    x = 191,909.29

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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.