Home / 228,430.39-315,237.67-125,062.86

Finding the Fourth Proportional to 228,430.39, 315,237.67 and 125,062.86

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Solution

The fourth proportional to 228,430.39, 315,237.67 and 125,062.86 is: 172,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,430.39 : 315,237.67 = 125,062.86 : x
  2. Step 2: Convert to fraction form
    228,430.39/315,237.67 = 125,062.86/x
  3. Step 3: Cross multiply
    228,430.39x = 315,237.67 × 125,062.86
  4. Step 4: Simplify right side
    228,430.39x = 39,424,524,589.94
  5. Step 5: Solve for x
    x = 39,424,524,589.94/228,430.39
  6. Step 6: Final answer
    x = 172,588.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.