Home / 219,730.42-329,566.47-61,971.58

Finding the Fourth Proportional to 219,730.42, 329,566.47 and 61,971.58

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Solution

The fourth proportional to 219,730.42, 329,566.47 and 61,971.58 is: 92,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,730.42 : 329,566.47 = 61,971.58 : x
  2. Step 2: Convert to fraction form
    219,730.42/329,566.47 = 61,971.58/x
  3. Step 3: Cross multiply
    219,730.42x = 329,566.47 × 61,971.58
  4. Step 4: Simplify right side
    219,730.42x = 20,423,755,389.08
  5. Step 5: Solve for x
    x = 20,423,755,389.08/219,730.42
  6. Step 6: Final answer
    x = 92,949.15

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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.