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Finding the Fourth Proportional to 343,334.60, 515,001.90 and 329,337.80

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Solution

The fourth proportional to 343,334.60, 515,001.90 and 329,337.80 is: 494,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,334.60 : 515,001.90 = 329,337.80 : x
  2. Step 2: Convert to fraction form
    343,334.60/515,001.90 = 329,337.80/x
  3. Step 3: Cross multiply
    343,334.60x = 515,001.90 × 329,337.80
  4. Step 4: Simplify right side
    343,334.60x = 169,609,592,741.82
  5. Step 5: Solve for x
    x = 169,609,592,741.82/343,334.60
  6. Step 6: Final answer
    x = 494,006.70

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1.5x scale

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.