Home / 281,244.61-421,899.65-98,819.35

Finding the Fourth Proportional to 281,244.61, 421,899.65 and 98,819.35

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Solution

The fourth proportional to 281,244.61, 421,899.65 and 98,819.35 is: 148,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,244.61 : 421,899.65 = 98,819.35 : x
  2. Step 2: Convert to fraction form
    281,244.61/421,899.65 = 98,819.35/x
  3. Step 3: Cross multiply
    281,244.61x = 421,899.65 × 98,819.35
  4. Step 4: Simplify right side
    281,244.61x = 41,691,849,178.23
  5. Step 5: Solve for x
    x = 41,691,849,178.23/281,244.61
  6. Step 6: Final answer
    x = 148,240.53

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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.