Home / 411,905.60-617,167.20-201,089.60

Finding the Fourth Proportional to 411,905.60, 617,167.20 and 201,089.60

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Solution

The fourth proportional to 411,905.60, 617,167.20 and 201,089.60 is: 301,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,905.60 : 617,167.20 = 201,089.60 : x
  2. Step 2: Convert to fraction form
    411,905.60/617,167.20 = 201,089.60/x
  3. Step 3: Cross multiply
    411,905.60x = 617,167.20 × 201,089.60
  4. Step 4: Simplify right side
    411,905.60x = 124,105,905,381.12
  5. Step 5: Solve for x
    x = 124,105,905,381.12/411,905.60
  6. Step 6: Final answer
    x = 301,296.96

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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.