Home / 641,197.63-962,061.40-281,182.20

Finding the Fourth Proportional to 641,197.63, 962,061.40 and 281,182.20

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Solution

The fourth proportional to 641,197.63, 962,061.40 and 281,182.20 is: 421,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,197.63 : 962,061.40 = 281,182.20 : x
  2. Step 2: Convert to fraction form
    641,197.63/962,061.40 = 281,182.20/x
  3. Step 3: Cross multiply
    641,197.63x = 962,061.40 × 281,182.20
  4. Step 4: Simplify right side
    641,197.63x = 270,514,537,176.02
  5. Step 5: Solve for x
    x = 270,514,537,176.02/641,197.63
  6. Step 6: Final answer
    x = 421,889.48

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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.