Home / 349,716.10-523,364.55-209,575.30

Finding the Fourth Proportional to 349,716.10, 523,364.55 and 209,575.30

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Solution

The fourth proportional to 349,716.10, 523,364.55 and 209,575.30 is: 313,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,716.10 : 523,364.55 = 209,575.30 : x
  2. Step 2: Convert to fraction form
    349,716.10/523,364.55 = 209,575.30/x
  3. Step 3: Cross multiply
    349,716.10x = 523,364.55 × 209,575.30
  4. Step 4: Simplify right side
    349,716.10x = 109,684,282,575.62
  5. Step 5: Solve for x
    x = 109,684,282,575.62/349,716.10
  6. Step 6: Final answer
    x = 313,638.07

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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.