Home / 316,260.18-436,469.09-173,041.74

Finding the Fourth Proportional to 316,260.18, 436,469.09 and 173,041.74

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Solution

The fourth proportional to 316,260.18, 436,469.09 and 173,041.74 is: 238,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,260.18 : 436,469.09 = 173,041.74 : x
  2. Step 2: Convert to fraction form
    316,260.18/436,469.09 = 173,041.74/x
  3. Step 3: Cross multiply
    316,260.18x = 436,469.09 × 173,041.74
  4. Step 4: Simplify right side
    316,260.18x = 75,527,369,924.61
  5. Step 5: Solve for x
    x = 75,527,369,924.61/316,260.18
  6. Step 6: Final answer
    x = 238,814.04

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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.