Home / 426,981.27-589,233.07-243,219.81

Finding the Fourth Proportional to 426,981.27, 589,233.07 and 243,219.81

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Solution

The fourth proportional to 426,981.27, 589,233.07 and 243,219.81 is: 335,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,981.27 : 589,233.07 = 243,219.81 : x
  2. Step 2: Convert to fraction form
    426,981.27/589,233.07 = 243,219.81/x
  3. Step 3: Cross multiply
    426,981.27x = 589,233.07 × 243,219.81
  4. Step 4: Simplify right side
    426,981.27x = 143,313,154,115.02
  5. Step 5: Solve for x
    x = 143,313,154,115.02/426,981.27
  6. Step 6: Final answer
    x = 335,642.72

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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.