Home / 292,981.88-439,433.96-82,636.76

Finding the Fourth Proportional to 292,981.88, 439,433.96 and 82,636.76

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Solution

The fourth proportional to 292,981.88, 439,433.96 and 82,636.76 is: 123,944.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,981.88 : 439,433.96 = 82,636.76 : x
  2. Step 2: Convert to fraction form
    292,981.88/439,433.96 = 82,636.76/x
  3. Step 3: Cross multiply
    292,981.88x = 439,433.96 × 82,636.76
  4. Step 4: Simplify right side
    292,981.88x = 36,313,398,688.37
  5. Step 5: Solve for x
    x = 36,313,398,688.37/292,981.88
  6. Step 6: Final answer
    x = 123,944.18

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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.