Home / 334,931.22-501,811.74-279,129.78

Finding the Fourth Proportional to 334,931.22, 501,811.74 and 279,129.78

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Solution

The fourth proportional to 334,931.22, 501,811.74 and 279,129.78 is: 418,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,931.22 : 501,811.74 = 279,129.78 : x
  2. Step 2: Convert to fraction form
    334,931.22/501,811.74 = 279,129.78/x
  3. Step 3: Cross multiply
    334,931.22x = 501,811.74 × 279,129.78
  4. Step 4: Simplify right side
    334,931.22x = 140,070,600,587.62
  5. Step 5: Solve for x
    x = 140,070,600,587.62/334,931.22
  6. Step 6: Final answer
    x = 418,207.06

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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.