Home / 342,917.76-515,167.20-328,746.24

Finding the Fourth Proportional to 342,917.76, 515,167.20 and 328,746.24

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Solution

The fourth proportional to 342,917.76, 515,167.20 and 328,746.24 is: 493,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,917.76 : 515,167.20 = 328,746.24 : x
  2. Step 2: Convert to fraction form
    342,917.76/515,167.20 = 328,746.24/x
  3. Step 3: Cross multiply
    342,917.76x = 515,167.20 × 328,746.24
  4. Step 4: Simplify right side
    342,917.76x = 169,359,279,971.33
  5. Step 5: Solve for x
    x = 169,359,279,971.33/342,917.76
  6. Step 6: Final answer
    x = 493,877.25

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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.