Home / 312,514.02-431,269.47-169,273.62

Finding the Fourth Proportional to 312,514.02, 431,269.47 and 169,273.62

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Solution

The fourth proportional to 312,514.02, 431,269.47 and 169,273.62 is: 233,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,514.02 : 431,269.47 = 169,273.62 : x
  2. Step 2: Convert to fraction form
    312,514.02/431,269.47 = 169,273.62/x
  3. Step 3: Cross multiply
    312,514.02x = 431,269.47 × 169,273.62
  4. Step 4: Simplify right side
    312,514.02x = 73,002,544,382.38
  5. Step 5: Solve for x
    x = 73,002,544,382.38/312,514.02
  6. Step 6: Final answer
    x = 233,597.66

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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.