Home / 228,964.72-315,971.40-127,005.88

Finding the Fourth Proportional to 228,964.72, 315,971.40 and 127,005.88

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Solution

The fourth proportional to 228,964.72, 315,971.40 and 127,005.88 is: 175,268.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,964.72 : 315,971.40 = 127,005.88 : x
  2. Step 2: Convert to fraction form
    228,964.72/315,971.40 = 127,005.88/x
  3. Step 3: Cross multiply
    228,964.72x = 315,971.40 × 127,005.88
  4. Step 4: Simplify right side
    228,964.72x = 40,130,225,711.83
  5. Step 5: Solve for x
    x = 40,130,225,711.83/228,964.72
  6. Step 6: Final answer
    x = 175,268.16

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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.