Home / 218,802.11-328,174.00-61,017.35

Finding the Fourth Proportional to 218,802.11, 328,174.00 and 61,017.35

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Solution

The fourth proportional to 218,802.11, 328,174.00 and 61,017.35 is: 91,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,802.11 : 328,174.00 = 61,017.35 : x
  2. Step 2: Convert to fraction form
    218,802.11/328,174.00 = 61,017.35/x
  3. Step 3: Cross multiply
    218,802.11x = 328,174.00 × 61,017.35
  4. Step 4: Simplify right side
    218,802.11x = 20,024,307,513.81
  5. Step 5: Solve for x
    x = 20,024,307,513.81/218,802.11
  6. Step 6: Final answer
    x = 91,517.89

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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.