Home / 302,109.18-416,910.12-173,089.40

Finding the Fourth Proportional to 302,109.18, 416,910.12 and 173,089.40

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Solution

The fourth proportional to 302,109.18, 416,910.12 and 173,089.40 is: 238,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,109.18 : 416,910.12 = 173,089.40 : x
  2. Step 2: Convert to fraction form
    302,109.18/416,910.12 = 173,089.40/x
  3. Step 3: Cross multiply
    302,109.18x = 416,910.12 × 173,089.40
  4. Step 4: Simplify right side
    302,109.18x = 72,162,720,440.18
  5. Step 5: Solve for x
    x = 72,162,720,440.18/302,109.18
  6. Step 6: Final answer
    x = 238,863.05

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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.