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Finding the Fourth Proportional to 180,010.40, 270,307.20 and 101,278.40

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Solution

The fourth proportional to 180,010.40, 270,307.20 and 101,278.40 is: 152,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,010.40 : 270,307.20 = 101,278.40 : x
  2. Step 2: Convert to fraction form
    180,010.40/270,307.20 = 101,278.40/x
  3. Step 3: Cross multiply
    180,010.40x = 270,307.20 × 101,278.40
  4. Step 4: Simplify right side
    180,010.40x = 27,376,280,724.48
  5. Step 5: Solve for x
    x = 27,376,280,724.48/180,010.40
  6. Step 6: Final answer
    x = 152,081.66

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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.