Home / 320,783.89-442,642.93-184,862.38

Finding the Fourth Proportional to 320,783.89, 442,642.93 and 184,862.38

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Solution

The fourth proportional to 320,783.89, 442,642.93 and 184,862.38 is: 255,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,783.89 : 442,642.93 = 184,862.38 : x
  2. Step 2: Convert to fraction form
    320,783.89/442,642.93 = 184,862.38/x
  3. Step 3: Cross multiply
    320,783.89x = 442,642.93 × 184,862.38
  4. Step 4: Simplify right side
    320,783.89x = 81,828,025,529.97
  5. Step 5: Solve for x
    x = 81,828,025,529.97/320,783.89
  6. Step 6: Final answer
    x = 255,087.70

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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.