Home / 320,456.13-442,095.89-184,457.54

Finding the Fourth Proportional to 320,456.13, 442,095.89 and 184,457.54

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Solution

The fourth proportional to 320,456.13, 442,095.89 and 184,457.54 is: 254,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,456.13 : 442,095.89 = 184,457.54 : x
  2. Step 2: Convert to fraction form
    320,456.13/442,095.89 = 184,457.54/x
  3. Step 3: Cross multiply
    320,456.13x = 442,095.89 × 184,457.54
  4. Step 4: Simplify right side
    320,456.13x = 81,547,917,180.74
  5. Step 5: Solve for x
    x = 81,547,917,180.74/320,456.13
  6. Step 6: Final answer
    x = 254,474.51

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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.