Home / 219,407.13-329,111.91-61,636.95

Finding the Fourth Proportional to 219,407.13, 329,111.91 and 61,636.95

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Solution

The fourth proportional to 219,407.13, 329,111.91 and 61,636.95 is: 92,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,407.13 : 329,111.91 = 61,636.95 : x
  2. Step 2: Convert to fraction form
    219,407.13/329,111.91 = 61,636.95/x
  3. Step 3: Cross multiply
    219,407.13x = 329,111.91 × 61,636.95
  4. Step 4: Simplify right side
    219,407.13x = 20,285,454,341.07
  5. Step 5: Solve for x
    x = 20,285,454,341.07/219,407.13
  6. Step 6: Final answer
    x = 92,455.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.