Home / 245,272.41-338,265.17-159,146.55

Finding the Fourth Proportional to 245,272.41, 338,265.17 and 159,146.55

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Solution

The fourth proportional to 245,272.41, 338,265.17 and 159,146.55 is: 219,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,272.41 : 338,265.17 = 159,146.55 : x
  2. Step 2: Convert to fraction form
    245,272.41/338,265.17 = 159,146.55/x
  3. Step 3: Cross multiply
    245,272.41x = 338,265.17 × 159,146.55
  4. Step 4: Simplify right side
    245,272.41x = 53,833,733,994.93
  5. Step 5: Solve for x
    x = 53,833,733,994.93/245,272.41
  6. Step 6: Final answer
    x = 219,485.49

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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.