Home / 216,910.07-324,941.37-149,430.18

Finding the Fourth Proportional to 216,910.07, 324,941.37 and 149,430.18

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Solution

The fourth proportional to 216,910.07, 324,941.37 and 149,430.18 is: 223,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,910.07 : 324,941.37 = 149,430.18 : x
  2. Step 2: Convert to fraction form
    216,910.07/324,941.37 = 149,430.18/x
  3. Step 3: Cross multiply
    216,910.07x = 324,941.37 × 149,430.18
  4. Step 4: Simplify right side
    216,910.07x = 48,556,048,066.71
  5. Step 5: Solve for x
    x = 48,556,048,066.71/216,910.07
  6. Step 6: Final answer
    x = 223,853.36

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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.