Home / 345,968.88-519,023.52-146,288.76

Finding the Fourth Proportional to 345,968.88, 519,023.52 and 146,288.76

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Solution

The fourth proportional to 345,968.88, 519,023.52 and 146,288.76 is: 219,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,968.88 : 519,023.52 = 146,288.76 : x
  2. Step 2: Convert to fraction form
    345,968.88/519,023.52 = 146,288.76/x
  3. Step 3: Cross multiply
    345,968.88x = 519,023.52 × 146,288.76
  4. Step 4: Simplify right side
    345,968.88x = 75,927,307,151.64
  5. Step 5: Solve for x
    x = 75,927,307,151.64/345,968.88
  6. Step 6: Final answer
    x = 219,462.82

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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.