Home / 316,624.65-436,928.90-173,382.23

Finding the Fourth Proportional to 316,624.65, 436,928.90 and 173,382.23

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Solution

The fourth proportional to 316,624.65, 436,928.90 and 173,382.23 is: 239,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,624.65 : 436,928.90 = 173,382.23 : x
  2. Step 2: Convert to fraction form
    316,624.65/436,928.90 = 173,382.23/x
  3. Step 3: Cross multiply
    316,624.65x = 436,928.90 × 173,382.23
  4. Step 4: Simplify right side
    316,624.65x = 75,755,703,981.89
  5. Step 5: Solve for x
    x = 75,755,703,981.89/316,624.65
  6. Step 6: Final answer
    x = 239,260.28

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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.