Home / 247,074.02-340,998.71-156,438.39

Finding the Fourth Proportional to 247,074.02, 340,998.71 and 156,438.39

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Solution

The fourth proportional to 247,074.02, 340,998.71 and 156,438.39 is: 215,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,074.02 : 340,998.71 = 156,438.39 : x
  2. Step 2: Convert to fraction form
    247,074.02/340,998.71 = 156,438.39/x
  3. Step 3: Cross multiply
    247,074.02x = 340,998.71 × 156,438.39
  4. Step 4: Simplify right side
    247,074.02x = 53,345,288,402.29
  5. Step 5: Solve for x
    x = 53,345,288,402.29/247,074.02
  6. Step 6: Final answer
    x = 215,908.13

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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.