Home / 421,986.76-632,816.10-152,042.92

Finding the Fourth Proportional to 421,986.76, 632,816.10 and 152,042.92

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Solution

The fourth proportional to 421,986.76, 632,816.10 and 152,042.92 is: 228,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,986.76 : 632,816.10 = 152,042.92 : x
  2. Step 2: Convert to fraction form
    421,986.76/632,816.10 = 152,042.92/x
  3. Step 3: Cross multiply
    421,986.76x = 632,816.10 × 152,042.92
  4. Step 4: Simplify right side
    421,986.76x = 96,215,207,667.01
  5. Step 5: Solve for x
    x = 96,215,207,667.01/421,986.76
  6. Step 6: Final answer
    x = 228,005.28

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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.