Home / 262,242.30-393,655.05-162,515.10

Finding the Fourth Proportional to 262,242.30, 393,655.05 and 162,515.10

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Solution

The fourth proportional to 262,242.30, 393,655.05 and 162,515.10 is: 243,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,242.30 : 393,655.05 = 162,515.10 : x
  2. Step 2: Convert to fraction form
    262,242.30/393,655.05 = 162,515.10/x
  3. Step 3: Cross multiply
    262,242.30x = 393,655.05 × 162,515.10
  4. Step 4: Simplify right side
    262,242.30x = 63,974,889,816.26
  5. Step 5: Solve for x
    x = 63,974,889,816.26/262,242.30
  6. Step 6: Final answer
    x = 243,953.36

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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.