Home / 638,343.15-957,547.53-165,032.61

Finding the Fourth Proportional to 638,343.15, 957,547.53 and 165,032.61

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Solution

The fourth proportional to 638,343.15, 957,547.53 and 165,032.61 is: 247,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,343.15 : 957,547.53 = 165,032.61 : x
  2. Step 2: Convert to fraction form
    638,343.15/957,547.53 = 165,032.61/x
  3. Step 3: Cross multiply
    638,343.15x = 957,547.53 × 165,032.61
  4. Step 4: Simplify right side
    638,343.15x = 158,026,568,074.95
  5. Step 5: Solve for x
    x = 158,026,568,074.95/638,343.15
  6. Step 6: Final answer
    x = 247,557.40

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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.