Home / 248,316.87-342,572.76-156,273.12

Finding the Fourth Proportional to 248,316.87, 342,572.76 and 156,273.12

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Solution

The fourth proportional to 248,316.87, 342,572.76 and 156,273.12 is: 215,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,316.87 : 342,572.76 = 156,273.12 : x
  2. Step 2: Convert to fraction form
    248,316.87/342,572.76 = 156,273.12/x
  3. Step 3: Cross multiply
    248,316.87x = 342,572.76 × 156,273.12
  4. Step 4: Simplify right side
    248,316.87x = 53,534,914,032.21
  5. Step 5: Solve for x
    x = 53,534,914,032.21/248,316.87
  6. Step 6: Final answer
    x = 215,591.13

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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.