Home / 245,772.09-339,191.01-150,342.30

Finding the Fourth Proportional to 245,772.09, 339,191.01 and 150,342.30

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Solution

The fourth proportional to 245,772.09, 339,191.01 and 150,342.30 is: 207,487.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,772.09 : 339,191.01 = 150,342.30 : x
  2. Step 2: Convert to fraction form
    245,772.09/339,191.01 = 150,342.30/x
  3. Step 3: Cross multiply
    245,772.09x = 339,191.01 × 150,342.30
  4. Step 4: Simplify right side
    245,772.09x = 50,994,756,582.72
  5. Step 5: Solve for x
    x = 50,994,756,582.72/245,772.09
  6. Step 6: Final answer
    x = 207,487.99

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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.