Home / 216,212.07-324,318.10-64,411.45

Finding the Fourth Proportional to 216,212.07, 324,318.10 and 64,411.45

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Solution

The fourth proportional to 216,212.07, 324,318.10 and 64,411.45 is: 96,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,212.07 : 324,318.10 = 64,411.45 : x
  2. Step 2: Convert to fraction form
    216,212.07/324,318.10 = 64,411.45/x
  3. Step 3: Cross multiply
    216,212.07x = 324,318.10 × 64,411.45
  4. Step 4: Simplify right side
    216,212.07x = 20,889,799,312.38
  5. Step 5: Solve for x
    x = 20,889,799,312.38/216,212.07
  6. Step 6: Final answer
    x = 96,617.17

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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.