Home / 305,864.02-458,278.35-187,287.76

Finding the Fourth Proportional to 305,864.02, 458,278.35 and 187,287.76

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Solution

The fourth proportional to 305,864.02, 458,278.35 and 187,287.76 is: 280,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,864.02 : 458,278.35 = 187,287.76 : x
  2. Step 2: Convert to fraction form
    305,864.02/458,278.35 = 187,287.76/x
  3. Step 3: Cross multiply
    305,864.02x = 458,278.35 × 187,287.76
  4. Step 4: Simplify right side
    305,864.02x = 85,829,925,628.00
  5. Step 5: Solve for x
    x = 85,829,925,628.00/305,864.02
  6. Step 6: Final answer
    x = 280,614.65

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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.