Home / 228,320.43-315,077.48-126,345.83

Finding the Fourth Proportional to 228,320.43, 315,077.48 and 126,345.83

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Solution

The fourth proportional to 228,320.43, 315,077.48 and 126,345.83 is: 174,354.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,320.43 : 315,077.48 = 126,345.83 : x
  2. Step 2: Convert to fraction form
    228,320.43/315,077.48 = 126,345.83/x
  3. Step 3: Cross multiply
    228,320.43x = 315,077.48 × 126,345.83
  4. Step 4: Simplify right side
    228,320.43x = 39,808,724,524.61
  5. Step 5: Solve for x
    x = 39,808,724,524.61/228,320.43
  6. Step 6: Final answer
    x = 174,354.63

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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.