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Finding the Fourth Proportional to 207,006.80, 310,510.20 and 180,762.80

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Solution

The fourth proportional to 207,006.80, 310,510.20 and 180,762.80 is: 271,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,006.80 : 310,510.20 = 180,762.80 : x
  2. Step 2: Convert to fraction form
    207,006.80/310,510.20 = 180,762.80/x
  3. Step 3: Cross multiply
    207,006.80x = 310,510.20 × 180,762.80
  4. Step 4: Simplify right side
    207,006.80x = 56,128,693,180.56
  5. Step 5: Solve for x
    x = 56,128,693,180.56/207,006.80
  6. Step 6: Final answer
    x = 271,144.20

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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.