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Finding the Fourth Proportional to 228,347.97, 315,015.06 and 147,801.38

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Solution

The fourth proportional to 228,347.97, 315,015.06 and 147,801.38 is: 203,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,347.97 : 315,015.06 = 147,801.38 : x
  2. Step 2: Convert to fraction form
    228,347.97/315,015.06 = 147,801.38/x
  3. Step 3: Cross multiply
    228,347.97x = 315,015.06 × 147,801.38
  4. Step 4: Simplify right side
    228,347.97x = 46,559,659,013.71
  5. Step 5: Solve for x
    x = 46,559,659,013.71/228,347.97
  6. Step 6: Final answer
    x = 203,897.85

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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.