Home / 320,730.90-442,655.46-184,738.38

Finding the Fourth Proportional to 320,730.90, 442,655.46 and 184,738.38

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Solution

The fourth proportional to 320,730.90, 442,655.46 and 184,738.38 is: 254,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,730.90 : 442,655.46 = 184,738.38 : x
  2. Step 2: Convert to fraction form
    320,730.90/442,655.46 = 184,738.38/x
  3. Step 3: Cross multiply
    320,730.90x = 442,655.46 × 184,738.38
  4. Step 4: Simplify right side
    320,730.90x = 81,775,452,578.55
  5. Step 5: Solve for x
    x = 81,775,452,578.55/320,730.90
  6. Step 6: Final answer
    x = 254,965.93

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1.5x scale

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.