Home / 240,412.04-331,656.90-155,556.52

Finding the Fourth Proportional to 240,412.04, 331,656.90 and 155,556.52

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Solution

The fourth proportional to 240,412.04, 331,656.90 and 155,556.52 is: 214,595.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,412.04 : 331,656.90 = 155,556.52 : x
  2. Step 2: Convert to fraction form
    240,412.04/331,656.90 = 155,556.52/x
  3. Step 3: Cross multiply
    240,412.04x = 331,656.90 × 155,556.52
  4. Step 4: Simplify right side
    240,412.04x = 51,591,393,197.99
  5. Step 5: Solve for x
    x = 51,591,393,197.99/240,412.04
  6. Step 6: Final answer
    x = 214,595.71

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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.