Home / 320,690.93-442,547.22-177,451.07

Finding the Fourth Proportional to 320,690.93, 442,547.22 and 177,451.07

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Solution

The fourth proportional to 320,690.93, 442,547.22 and 177,451.07 is: 244,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,690.93 : 442,547.22 = 177,451.07 : x
  2. Step 2: Convert to fraction form
    320,690.93/442,547.22 = 177,451.07/x
  3. Step 3: Cross multiply
    320,690.93x = 442,547.22 × 177,451.07
  4. Step 4: Simplify right side
    320,690.93x = 78,530,475,501.79
  5. Step 5: Solve for x
    x = 78,530,475,501.79/320,690.93
  6. Step 6: Final answer
    x = 244,879.01

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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.