Home / 340,922.97-470,278.59-213,377.13

Finding the Fourth Proportional to 340,922.97, 470,278.59 and 213,377.13

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Solution

The fourth proportional to 340,922.97, 470,278.59 and 213,377.13 is: 294,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,922.97 : 470,278.59 = 213,377.13 : x
  2. Step 2: Convert to fraction form
    340,922.97/470,278.59 = 213,377.13/x
  3. Step 3: Cross multiply
    340,922.97x = 470,278.59 × 213,377.13
  4. Step 4: Simplify right side
    340,922.97x = 100,346,695,834.65
  5. Step 5: Solve for x
    x = 100,346,695,834.65/340,922.97
  6. Step 6: Final answer
    x = 294,338.32

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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.