Home / 245,272.16-338,264.82-159,146.30

Finding the Fourth Proportional to 245,272.16, 338,264.82 and 159,146.30

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Solution

The fourth proportional to 245,272.16, 338,264.82 and 159,146.30 is: 219,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,272.16 : 338,264.82 = 159,146.30 : x
  2. Step 2: Convert to fraction form
    245,272.16/338,264.82 = 159,146.30/x
  3. Step 3: Cross multiply
    245,272.16x = 338,264.82 × 159,146.30
  4. Step 4: Simplify right side
    245,272.16x = 53,833,594,523.17
  5. Step 5: Solve for x
    x = 53,833,594,523.17/245,272.16
  6. Step 6: Final answer
    x = 219,485.14

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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.