Home / 216,362.12-324,473.93-72,237

Finding the Fourth Proportional to 216,362.12, 324,473.93 and 72,237

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Solution

The fourth proportional to 216,362.12, 324,473.93 and 72,237 is: 108,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,362.12 : 324,473.93 = 72,237 : x
  2. Step 2: Convert to fraction form
    216,362.12/324,473.93 = 72,237/x
  3. Step 3: Cross multiply
    216,362.12x = 324,473.93 × 72,237
  4. Step 4: Simplify right side
    216,362.12x = 23,439,022,920.23
  5. Step 5: Solve for x
    x = 23,439,022,920.23/216,362.12
  6. Step 6: Final answer
    x = 108,332.38

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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.