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Finding the Fourth Proportional to 335,518.80, 503,105.40 and 125,048.40

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Solution

The fourth proportional to 335,518.80, 503,105.40 and 125,048.40 is: 187,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,518.80 : 503,105.40 = 125,048.40 : x
  2. Step 2: Convert to fraction form
    335,518.80/503,105.40 = 125,048.40/x
  3. Step 3: Cross multiply
    335,518.80x = 503,105.40 × 125,048.40
  4. Step 4: Simplify right side
    335,518.80x = 62,912,525,301.36
  5. Step 5: Solve for x
    x = 62,912,525,301.36/335,518.80
  6. Step 6: Final answer
    x = 187,508.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.