Home / 216,433.40-298,707.75-124,550.79

Finding the Fourth Proportional to 216,433.40, 298,707.75 and 124,550.79

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Solution

The fourth proportional to 216,433.40, 298,707.75 and 124,550.79 is: 171,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,433.40 : 298,707.75 = 124,550.79 : x
  2. Step 2: Convert to fraction form
    216,433.40/298,707.75 = 124,550.79/x
  3. Step 3: Cross multiply
    216,433.40x = 298,707.75 × 124,550.79
  4. Step 4: Simplify right side
    216,433.40x = 37,204,286,241.62
  5. Step 5: Solve for x
    x = 37,204,286,241.62/216,433.40
  6. Step 6: Final answer
    x = 171,897.16

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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.