Home / 280,844.64-421,266.96-93,856.14

Finding the Fourth Proportional to 280,844.64, 421,266.96 and 93,856.14

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Solution

The fourth proportional to 280,844.64, 421,266.96 and 93,856.14 is: 140,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,844.64 : 421,266.96 = 93,856.14 : x
  2. Step 2: Convert to fraction form
    280,844.64/421,266.96 = 93,856.14/x
  3. Step 3: Cross multiply
    280,844.64x = 421,266.96 × 93,856.14
  4. Step 4: Simplify right side
    280,844.64x = 39,538,490,775.13
  5. Step 5: Solve for x
    x = 39,538,490,775.13/280,844.64
  6. Step 6: Final answer
    x = 140,784.21

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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.