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Finding the Fourth Proportional to 228,984.59, 315,987.57 and 127,001.03

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Solution

The fourth proportional to 228,984.59, 315,987.57 and 127,001.03 is: 175,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,984.59 : 315,987.57 = 127,001.03 : x
  2. Step 2: Convert to fraction form
    228,984.59/315,987.57 = 127,001.03/x
  3. Step 3: Cross multiply
    228,984.59x = 315,987.57 × 127,001.03
  4. Step 4: Simplify right side
    228,984.59x = 40,130,745,277.26
  5. Step 5: Solve for x
    x = 40,130,745,277.26/228,984.59
  6. Step 6: Final answer
    x = 175,255.22

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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.