Home / 320,710.07-442,591.71-207,532.82

Finding the Fourth Proportional to 320,710.07, 442,591.71 and 207,532.82

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Solution

The fourth proportional to 320,710.07, 442,591.71 and 207,532.82 is: 286,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,710.07 : 442,591.71 = 207,532.82 : x
  2. Step 2: Convert to fraction form
    320,710.07/442,591.71 = 207,532.82/x
  3. Step 3: Cross multiply
    320,710.07x = 442,591.71 × 207,532.82
  4. Step 4: Simplify right side
    320,710.07x = 91,852,305,684.92
  5. Step 5: Solve for x
    x = 91,852,305,684.92/320,710.07
  6. Step 6: Final answer
    x = 286,402.94

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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.