Home / 305,445.08-458,057.84-105,711.24

Finding the Fourth Proportional to 305,445.08, 458,057.84 and 105,711.24

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Solution

The fourth proportional to 305,445.08, 458,057.84 and 105,711.24 is: 158,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,445.08 : 458,057.84 = 105,711.24 : x
  2. Step 2: Convert to fraction form
    305,445.08/458,057.84 = 105,711.24/x
  3. Step 3: Cross multiply
    305,445.08x = 458,057.84 × 105,711.24
  4. Step 4: Simplify right side
    305,445.08x = 48,421,862,258.12
  5. Step 5: Solve for x
    x = 48,421,862,258.12/305,445.08
  6. Step 6: Final answer
    x = 158,528.87

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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.