Home / 279,749.60-419,748.40-146,598.24

Finding the Fourth Proportional to 279,749.60, 419,748.40 and 146,598.24

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Solution

The fourth proportional to 279,749.60, 419,748.40 and 146,598.24 is: 219,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,749.60 : 419,748.40 = 146,598.24 : x
  2. Step 2: Convert to fraction form
    279,749.60/419,748.40 = 146,598.24/x
  3. Step 3: Cross multiply
    279,749.60x = 419,748.40 × 146,598.24
  4. Step 4: Simplify right side
    279,749.60x = 61,534,376,682.82
  5. Step 5: Solve for x
    x = 61,534,376,682.82/279,749.60
  6. Step 6: Final answer
    x = 219,962.34

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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.