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Finding the Fourth Proportional to 202,112.52, 278,750.88 and 177,861.12

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Solution

The fourth proportional to 202,112.52, 278,750.88 and 177,861.12 is: 245,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,112.52 : 278,750.88 = 177,861.12 : x
  2. Step 2: Convert to fraction form
    202,112.52/278,750.88 = 177,861.12/x
  3. Step 3: Cross multiply
    202,112.52x = 278,750.88 × 177,861.12
  4. Step 4: Simplify right side
    202,112.52x = 49,578,943,717.79
  5. Step 5: Solve for x
    x = 49,578,943,717.79/202,112.52
  6. Step 6: Final answer
    x = 245,303.67

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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.