Home / 317,997.32-438,863.24-216,248.51

Finding the Fourth Proportional to 317,997.32, 438,863.24 and 216,248.51

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Solution

The fourth proportional to 317,997.32, 438,863.24 and 216,248.51 is: 298,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,997.32 : 438,863.24 = 216,248.51 : x
  2. Step 2: Convert to fraction form
    317,997.32/438,863.24 = 216,248.51/x
  3. Step 3: Cross multiply
    317,997.32x = 438,863.24 × 216,248.51
  4. Step 4: Simplify right side
    317,997.32x = 94,903,521,539.05
  5. Step 5: Solve for x
    x = 94,903,521,539.05/317,997.32
  6. Step 6: Final answer
    x = 298,441.26

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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.