Home / 411,738.60-568,069.77-230,421.72

Finding the Fourth Proportional to 411,738.60, 568,069.77 and 230,421.72

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Solution

The fourth proportional to 411,738.60, 568,069.77 and 230,421.72 is: 317,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,738.60 : 568,069.77 = 230,421.72 : x
  2. Step 2: Convert to fraction form
    411,738.60/568,069.77 = 230,421.72/x
  3. Step 3: Cross multiply
    411,738.60x = 568,069.77 × 230,421.72
  4. Step 4: Simplify right side
    411,738.60x = 130,895,613,483.40
  5. Step 5: Solve for x
    x = 130,895,613,483.40/411,738.60
  6. Step 6: Final answer
    x = 317,909.50

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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.