Home / 292,822.40-439,233.60-82,467.20

Finding the Fourth Proportional to 292,822.40, 439,233.60 and 82,467.20

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Solution

The fourth proportional to 292,822.40, 439,233.60 and 82,467.20 is: 123,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,822.40 : 439,233.60 = 82,467.20 : x
  2. Step 2: Convert to fraction form
    292,822.40/439,233.60 = 82,467.20/x
  3. Step 3: Cross multiply
    292,822.40x = 439,233.60 × 82,467.20
  4. Step 4: Simplify right side
    292,822.40x = 36,222,365,137.92
  5. Step 5: Solve for x
    x = 36,222,365,137.92/292,822.40
  6. Step 6: Final answer
    x = 123,700.80

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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.