Home / 409,619.15-565,329.76-248,448.18

Finding the Fourth Proportional to 409,619.15, 565,329.76 and 248,448.18

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Solution

The fourth proportional to 409,619.15, 565,329.76 and 248,448.18 is: 342,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,619.15 : 565,329.76 = 248,448.18 : x
  2. Step 2: Convert to fraction form
    409,619.15/565,329.76 = 248,448.18/x
  3. Step 3: Cross multiply
    409,619.15x = 565,329.76 × 248,448.18
  4. Step 4: Simplify right side
    409,619.15x = 140,455,150,764.04
  5. Step 5: Solve for x
    x = 140,455,150,764.04/409,619.15
  6. Step 6: Final answer
    x = 342,892.05

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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.