Home / 806,164.59-1,209,247.79-207,130.71

Finding the Fourth Proportional to 806,164.59, 1,209,247.79 and 207,130.71

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Solution

The fourth proportional to 806,164.59, 1,209,247.79 and 207,130.71 is: 310,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,164.59 : 1,209,247.79 = 207,130.71 : x
  2. Step 2: Convert to fraction form
    806,164.59/1,209,247.79 = 207,130.71/x
  3. Step 3: Cross multiply
    806,164.59x = 1,209,247.79 × 207,130.71
  4. Step 4: Simplify right side
    806,164.59x = 250,472,353,308.63
  5. Step 5: Solve for x
    x = 250,472,353,308.63/806,164.59
  6. Step 6: Final answer
    x = 310,696.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.