Home / 511,966.44-767,920.95-156,979.49

Finding the Fourth Proportional to 511,966.44, 767,920.95 and 156,979.49

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Solution

The fourth proportional to 511,966.44, 767,920.95 and 156,979.49 is: 235,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,966.44 : 767,920.95 = 156,979.49 : x
  2. Step 2: Convert to fraction form
    511,966.44/767,920.95 = 156,979.49/x
  3. Step 3: Cross multiply
    511,966.44x = 767,920.95 × 156,979.49
  4. Step 4: Simplify right side
    511,966.44x = 120,547,835,251.71
  5. Step 5: Solve for x
    x = 120,547,835,251.71/511,966.44
  6. Step 6: Final answer
    x = 235,460.42

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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.