Home / 306,496.04-422,966.61-170,535.71

Finding the Fourth Proportional to 306,496.04, 422,966.61 and 170,535.71

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Solution

The fourth proportional to 306,496.04, 422,966.61 and 170,535.71 is: 235,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,496.04 : 422,966.61 = 170,535.71 : x
  2. Step 2: Convert to fraction form
    306,496.04/422,966.61 = 170,535.71/x
  3. Step 3: Cross multiply
    306,496.04x = 422,966.61 × 170,535.71
  4. Step 4: Simplify right side
    306,496.04x = 72,130,909,027.81
  5. Step 5: Solve for x
    x = 72,130,909,027.81/306,496.04
  6. Step 6: Final answer
    x = 235,340.43

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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.