Home / 348,539.10-523,327.05-269,742.30

Finding the Fourth Proportional to 348,539.10, 523,327.05 and 269,742.30

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Solution

The fourth proportional to 348,539.10, 523,327.05 and 269,742.30 is: 405,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,539.10 : 523,327.05 = 269,742.30 : x
  2. Step 2: Convert to fraction form
    348,539.10/523,327.05 = 269,742.30/x
  3. Step 3: Cross multiply
    348,539.10x = 523,327.05 × 269,742.30
  4. Step 4: Simplify right side
    348,539.10x = 141,163,442,119.22
  5. Step 5: Solve for x
    x = 141,163,442,119.22/348,539.10
  6. Step 6: Final answer
    x = 405,014.65

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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.