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Finding the Fourth Proportional to 346,237.20, 519,744.60 and 267,699.60

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Solution

The fourth proportional to 346,237.20, 519,744.60 and 267,699.60 is: 401,850.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,237.20 : 519,744.60 = 267,699.60 : x
  2. Step 2: Convert to fraction form
    346,237.20/519,744.60 = 267,699.60/x
  3. Step 3: Cross multiply
    346,237.20x = 519,744.60 × 267,699.60
  4. Step 4: Simplify right side
    346,237.20x = 139,135,421,522.16
  5. Step 5: Solve for x
    x = 139,135,421,522.16/346,237.20
  6. Step 6: Final answer
    x = 401,850.01

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1.5x scale

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.