Home / 312,332.07-431,018.40-169,092.12

Finding the Fourth Proportional to 312,332.07, 431,018.40 and 169,092.12

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Solution

The fourth proportional to 312,332.07, 431,018.40 and 169,092.12 is: 233,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,332.07 : 431,018.40 = 169,092.12 : x
  2. Step 2: Convert to fraction form
    312,332.07/431,018.40 = 169,092.12/x
  3. Step 3: Cross multiply
    312,332.07x = 431,018.40 × 169,092.12
  4. Step 4: Simplify right side
    312,332.07x = 72,881,815,015.01
  5. Step 5: Solve for x
    x = 72,881,815,015.01/312,332.07
  6. Step 6: Final answer
    x = 233,347.20

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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.