Home / 341,439.36-470,919.84-218,943.42

Finding the Fourth Proportional to 341,439.36, 470,919.84 and 218,943.42

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Solution

The fourth proportional to 341,439.36, 470,919.84 and 218,943.42 is: 301,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,439.36 : 470,919.84 = 218,943.42 : x
  2. Step 2: Convert to fraction form
    341,439.36/470,919.84 = 218,943.42/x
  3. Step 3: Cross multiply
    341,439.36x = 470,919.84 × 218,943.42
  4. Step 4: Simplify right side
    341,439.36x = 103,104,800,315.45
  5. Step 5: Solve for x
    x = 103,104,800,315.45/341,439.36
  6. Step 6: Final answer
    x = 301,971.04

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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.