Home / 228,945.98-315,964.86-127,004.28

Finding the Fourth Proportional to 228,945.98, 315,964.86 and 127,004.28

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Solution

The fourth proportional to 228,945.98, 315,964.86 and 127,004.28 is: 175,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,945.98 : 315,964.86 = 127,004.28 : x
  2. Step 2: Convert to fraction form
    228,945.98/315,964.86 = 127,004.28/x
  3. Step 3: Cross multiply
    228,945.98x = 315,964.86 × 127,004.28
  4. Step 4: Simplify right side
    228,945.98x = 40,128,889,549.60
  5. Step 5: Solve for x
    x = 40,128,889,549.60/228,945.98
  6. Step 6: Final answer
    x = 175,276.67

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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.