Home / 266,226.77-367,394.09-145,370.72

Finding the Fourth Proportional to 266,226.77, 367,394.09 and 145,370.72

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Solution

The fourth proportional to 266,226.77, 367,394.09 and 145,370.72 is: 200,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,226.77 : 367,394.09 = 145,370.72 : x
  2. Step 2: Convert to fraction form
    266,226.77/367,394.09 = 145,370.72/x
  3. Step 3: Cross multiply
    266,226.77x = 367,394.09 × 145,370.72
  4. Step 4: Simplify right side
    266,226.77x = 53,408,340,823.22
  5. Step 5: Solve for x
    x = 53,408,340,823.22/266,226.77
  6. Step 6: Final answer
    x = 200,612.21

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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.