Home / 262,583.40-393,875.10-162,418.80

Finding the Fourth Proportional to 262,583.40, 393,875.10 and 162,418.80

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Solution

The fourth proportional to 262,583.40, 393,875.10 and 162,418.80 is: 243,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,583.40 : 393,875.10 = 162,418.80 : x
  2. Step 2: Convert to fraction form
    262,583.40/393,875.10 = 162,418.80/x
  3. Step 3: Cross multiply
    262,583.40x = 393,875.10 × 162,418.80
  4. Step 4: Simplify right side
    262,583.40x = 63,972,721,091.88
  5. Step 5: Solve for x
    x = 63,972,721,091.88/262,583.40
  6. Step 6: Final answer
    x = 243,628.20

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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.