Home / 228,214.55-314,911.85-126,223.80

Finding the Fourth Proportional to 228,214.55, 314,911.85 and 126,223.80

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Solution

The fourth proportional to 228,214.55, 314,911.85 and 126,223.80 is: 174,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,214.55 : 314,911.85 = 126,223.80 : x
  2. Step 2: Convert to fraction form
    228,214.55/314,911.85 = 126,223.80/x
  3. Step 3: Cross multiply
    228,214.55x = 314,911.85 × 126,223.80
  4. Step 4: Simplify right side
    228,214.55x = 39,749,369,740.91
  5. Step 5: Solve for x
    x = 39,749,369,740.91/228,214.55
  6. Step 6: Final answer
    x = 174,175.44

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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.