Home / 320,821.47-442,625.18-184,851.90

Finding the Fourth Proportional to 320,821.47, 442,625.18 and 184,851.90

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Solution

The fourth proportional to 320,821.47, 442,625.18 and 184,851.90 is: 255,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,821.47 : 442,625.18 = 184,851.90 : x
  2. Step 2: Convert to fraction form
    320,821.47/442,625.18 = 184,851.90/x
  3. Step 3: Cross multiply
    320,821.47x = 442,625.18 × 184,851.90
  4. Step 4: Simplify right side
    320,821.47x = 81,820,104,586.58
  5. Step 5: Solve for x
    x = 81,820,104,586.58/320,821.47
  6. Step 6: Final answer
    x = 255,033.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.