Home / 346,408.60-519,629.10-109,769.80

Finding the Fourth Proportional to 346,408.60, 519,629.10 and 109,769.80

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Solution

The fourth proportional to 346,408.60, 519,629.10 and 109,769.80 is: 164,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,408.60 : 519,629.10 = 109,769.80 : x
  2. Step 2: Convert to fraction form
    346,408.60/519,629.10 = 109,769.80/x
  3. Step 3: Cross multiply
    346,408.60x = 519,629.10 × 109,769.80
  4. Step 4: Simplify right side
    346,408.60x = 57,039,582,381.18
  5. Step 5: Solve for x
    x = 57,039,582,381.18/346,408.60
  6. Step 6: Final answer
    x = 164,659.83

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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.