Home / 219,060.13-328,590.87-61,289.95

Finding the Fourth Proportional to 219,060.13, 328,590.87 and 61,289.95

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Solution

The fourth proportional to 219,060.13, 328,590.87 and 61,289.95 is: 91,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,060.13 : 328,590.87 = 61,289.95 : x
  2. Step 2: Convert to fraction form
    219,060.13/328,590.87 = 61,289.95/x
  3. Step 3: Cross multiply
    219,060.13x = 328,590.87 × 61,289.95
  4. Step 4: Simplify right side
    219,060.13x = 20,139,317,992.76
  5. Step 5: Solve for x
    x = 20,139,317,992.76/219,060.13
  6. Step 6: Final answer
    x = 91,935.11

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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.