Home / 228,962.72-315,968.64-127,003.88

Finding the Fourth Proportional to 228,962.72, 315,968.64 and 127,003.88

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Solution

The fourth proportional to 228,962.72, 315,968.64 and 127,003.88 is: 175,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,962.72 : 315,968.64 = 127,003.88 : x
  2. Step 2: Convert to fraction form
    228,962.72/315,968.64 = 127,003.88/x
  3. Step 3: Cross multiply
    228,962.72x = 315,968.64 × 127,003.88
  4. Step 4: Simplify right side
    228,962.72x = 40,129,243,238.32
  5. Step 5: Solve for x
    x = 40,129,243,238.32/228,962.72
  6. Step 6: Final answer
    x = 175,265.40

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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.