Home / 216,276.28-324,210.29-104,020

Finding the Fourth Proportional to 216,276.28, 324,210.29 and 104,020

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Solution

The fourth proportional to 216,276.28, 324,210.29 and 104,020 is: 155,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,276.28 : 324,210.29 = 104,020 : x
  2. Step 2: Convert to fraction form
    216,276.28/324,210.29 = 104,020/x
  3. Step 3: Cross multiply
    216,276.28x = 324,210.29 × 104,020
  4. Step 4: Simplify right side
    216,276.28x = 33,724,354,365.80
  5. Step 5: Solve for x
    x = 33,724,354,365.80/216,276.28
  6. Step 6: Final answer
    x = 155,931.82

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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.