Home / 262,072.20-393,108.30-72,532.20

Finding the Fourth Proportional to 262,072.20, 393,108.30 and 72,532.20

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Solution

The fourth proportional to 262,072.20, 393,108.30 and 72,532.20 is: 108,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,072.20 : 393,108.30 = 72,532.20 : x
  2. Step 2: Convert to fraction form
    262,072.20/393,108.30 = 72,532.20/x
  3. Step 3: Cross multiply
    262,072.20x = 393,108.30 × 72,532.20
  4. Step 4: Simplify right side
    262,072.20x = 28,513,009,837.26
  5. Step 5: Solve for x
    x = 28,513,009,837.26/262,072.20
  6. Step 6: Final answer
    x = 108,798.30

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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.