Home / 340,776.26-470,351.38-211,812.14

Finding the Fourth Proportional to 340,776.26, 470,351.38 and 211,812.14

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Solution

The fourth proportional to 340,776.26, 470,351.38 and 211,812.14 is: 292,350.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,776.26 : 470,351.38 = 211,812.14 : x
  2. Step 2: Convert to fraction form
    340,776.26/470,351.38 = 211,812.14/x
  3. Step 3: Cross multiply
    340,776.26x = 470,351.38 × 211,812.14
  4. Step 4: Simplify right side
    340,776.26x = 99,626,132,349.75
  5. Step 5: Solve for x
    x = 99,626,132,349.75/340,776.26
  6. Step 6: Final answer
    x = 292,350.57

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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.