Home / 343,087.48-472,869.61-228,160.72

Finding the Fourth Proportional to 343,087.48, 472,869.61 and 228,160.72

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Solution

The fourth proportional to 343,087.48, 472,869.61 and 228,160.72 is: 314,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,087.48 : 472,869.61 = 228,160.72 : x
  2. Step 2: Convert to fraction form
    343,087.48/472,869.61 = 228,160.72/x
  3. Step 3: Cross multiply
    343,087.48x = 472,869.61 × 228,160.72
  4. Step 4: Simplify right side
    343,087.48x = 107,890,270,683.72
  5. Step 5: Solve for x
    x = 107,890,270,683.72/343,087.48
  6. Step 6: Final answer
    x = 314,468.69

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1.5x scale

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.