Home / 228,272.54-342,341.94-86,015.18

Finding the Fourth Proportional to 228,272.54, 342,341.94 and 86,015.18

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Solution

The fourth proportional to 228,272.54, 342,341.94 and 86,015.18 is: 128,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,272.54 : 342,341.94 = 86,015.18 : x
  2. Step 2: Convert to fraction form
    228,272.54/342,341.94 = 86,015.18/x
  3. Step 3: Cross multiply
    228,272.54x = 342,341.94 × 86,015.18
  4. Step 4: Simplify right side
    228,272.54x = 29,446,603,590.65
  5. Step 5: Solve for x
    x = 29,446,603,590.65/228,272.54
  6. Step 6: Final answer
    x = 128,997.57

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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.