Home / 242,351.09-334,226.76-151,715.30

Finding the Fourth Proportional to 242,351.09, 334,226.76 and 151,715.30

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Solution

The fourth proportional to 242,351.09, 334,226.76 and 151,715.30 is: 209,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,351.09 : 334,226.76 = 151,715.30 : x
  2. Step 2: Convert to fraction form
    242,351.09/334,226.76 = 151,715.30/x
  3. Step 3: Cross multiply
    242,351.09x = 334,226.76 × 151,715.30
  4. Step 4: Simplify right side
    242,351.09x = 50,707,313,161.43
  5. Step 5: Solve for x
    x = 50,707,313,161.43/242,351.09
  6. Step 6: Final answer
    x = 209,230.81

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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.