Home / 228,663.18-343,012.55-68,726.66

Finding the Fourth Proportional to 228,663.18, 343,012.55 and 68,726.66

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Solution

The fourth proportional to 228,663.18, 343,012.55 and 68,726.66 is: 103,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,663.18 : 343,012.55 = 68,726.66 : x
  2. Step 2: Convert to fraction form
    228,663.18/343,012.55 = 68,726.66/x
  3. Step 3: Cross multiply
    228,663.18x = 343,012.55 × 68,726.66
  4. Step 4: Simplify right side
    228,663.18x = 23,574,104,840.89
  5. Step 5: Solve for x
    x = 23,574,104,840.89/228,663.18
  6. Step 6: Final answer
    x = 103,095.32

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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.