Home / 291,974.12-403,481.22-210,569.52

Finding the Fourth Proportional to 291,974.12, 403,481.22 and 210,569.52

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Solution

The fourth proportional to 291,974.12, 403,481.22 and 210,569.52 is: 290,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,974.12 : 403,481.22 = 210,569.52 : x
  2. Step 2: Convert to fraction form
    291,974.12/403,481.22 = 210,569.52/x
  3. Step 3: Cross multiply
    291,974.12x = 403,481.22 × 210,569.52
  4. Step 4: Simplify right side
    291,974.12x = 84,960,847,547.83
  5. Step 5: Solve for x
    x = 84,960,847,547.83/291,974.12
  6. Step 6: Final answer
    x = 290,987.60

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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.