Home / 229,450.29-316,639.49-128,846.13

Finding the Fourth Proportional to 229,450.29, 316,639.49 and 128,846.13

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Solution

The fourth proportional to 229,450.29, 316,639.49 and 128,846.13 is: 177,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,450.29 : 316,639.49 = 128,846.13 : x
  2. Step 2: Convert to fraction form
    229,450.29/316,639.49 = 128,846.13/x
  3. Step 3: Cross multiply
    229,450.29x = 316,639.49 × 128,846.13
  4. Step 4: Simplify right side
    229,450.29x = 40,797,772,891.67
  5. Step 5: Solve for x
    x = 40,797,772,891.67/229,450.29
  6. Step 6: Final answer
    x = 177,806.59

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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.