Home / 289,218.23-433,993.32-225,860.48

Finding the Fourth Proportional to 289,218.23, 433,993.32 and 225,860.48

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Solution

The fourth proportional to 289,218.23, 433,993.32 and 225,860.48 is: 338,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,218.23 : 433,993.32 = 225,860.48 : x
  2. Step 2: Convert to fraction form
    289,218.23/433,993.32 = 225,860.48/x
  3. Step 3: Cross multiply
    289,218.23x = 433,993.32 × 225,860.48
  4. Step 4: Simplify right side
    289,218.23x = 98,021,937,402.03
  5. Step 5: Solve for x
    x = 98,021,937,402.03/289,218.23
  6. Step 6: Final answer
    x = 338,920.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.