Home / 311,265.59-429,547.32-182,180.66

Finding the Fourth Proportional to 311,265.59, 429,547.32 and 182,180.66

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Solution

The fourth proportional to 311,265.59, 429,547.32 and 182,180.66 is: 251,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,265.59 : 429,547.32 = 182,180.66 : x
  2. Step 2: Convert to fraction form
    311,265.59/429,547.32 = 182,180.66/x
  3. Step 3: Cross multiply
    311,265.59x = 429,547.32 × 182,180.66
  4. Step 4: Simplify right side
    311,265.59x = 78,255,212,111.09
  5. Step 5: Solve for x
    x = 78,255,212,111.09/311,265.59
  6. Step 6: Final answer
    x = 251,409.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.