Home / 226,763.40-340,181.10-77,017.80

Finding the Fourth Proportional to 226,763.40, 340,181.10 and 77,017.80

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Solution

The fourth proportional to 226,763.40, 340,181.10 and 77,017.80 is: 115,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,763.40 : 340,181.10 = 77,017.80 : x
  2. Step 2: Convert to fraction form
    226,763.40/340,181.10 = 77,017.80/x
  3. Step 3: Cross multiply
    226,763.40x = 340,181.10 × 77,017.80
  4. Step 4: Simplify right side
    226,763.40x = 26,199,999,923.58
  5. Step 5: Solve for x
    x = 26,199,999,923.58/226,763.40
  6. Step 6: Final answer
    x = 115,538.93

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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.