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Finding the Fourth Proportional to 228,013.69, 342,034.63 and 76,224.42

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Solution

The fourth proportional to 228,013.69, 342,034.63 and 76,224.42 is: 114,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,013.69 : 342,034.63 = 76,224.42 : x
  2. Step 2: Convert to fraction form
    228,013.69/342,034.63 = 76,224.42/x
  3. Step 3: Cross multiply
    228,013.69x = 342,034.63 × 76,224.42
  4. Step 4: Simplify right side
    228,013.69x = 26,071,391,291.66
  5. Step 5: Solve for x
    x = 26,071,391,291.66/228,013.69
  6. Step 6: Final answer
    x = 114,341.34

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1.5x scale

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.