Home / 219,247.29-302,560.79-118,645.29

Finding the Fourth Proportional to 219,247.29, 302,560.79 and 118,645.29

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Solution

The fourth proportional to 219,247.29, 302,560.79 and 118,645.29 is: 163,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,247.29 : 302,560.79 = 118,645.29 : x
  2. Step 2: Convert to fraction form
    219,247.29/302,560.79 = 118,645.29/x
  3. Step 3: Cross multiply
    219,247.29x = 302,560.79 × 118,645.29
  4. Step 4: Simplify right side
    219,247.29x = 35,897,412,078.95
  5. Step 5: Solve for x
    x = 35,897,412,078.95/219,247.29
  6. Step 6: Final answer
    x = 163,730.24

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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.