Home / 320,879.32-442,829.76-184,935.40

Finding the Fourth Proportional to 320,879.32, 442,829.76 and 184,935.40

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Solution

The fourth proportional to 320,879.32, 442,829.76 and 184,935.40 is: 255,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,879.32 : 442,829.76 = 184,935.40 : x
  2. Step 2: Convert to fraction form
    320,879.32/442,829.76 = 184,935.40/x
  3. Step 3: Cross multiply
    320,879.32x = 442,829.76 × 184,935.40
  4. Step 4: Simplify right side
    320,879.32x = 81,894,898,797.50
  5. Step 5: Solve for x
    x = 81,894,898,797.50/320,879.32
  6. Step 6: Final answer
    x = 255,220.25

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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.