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Finding the Fourth Proportional to 341,742.60, 513,132.30 and 262,945.80

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Solution

The fourth proportional to 341,742.60, 513,132.30 and 262,945.80 is: 394,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,742.60 : 513,132.30 = 262,945.80 : x
  2. Step 2: Convert to fraction form
    341,742.60/513,132.30 = 262,945.80/x
  3. Step 3: Cross multiply
    341,742.60x = 513,132.30 × 262,945.80
  4. Step 4: Simplify right side
    341,742.60x = 134,925,983,129.34
  5. Step 5: Solve for x
    x = 134,925,983,129.34/341,742.60
  6. Step 6: Final answer
    x = 394,817.57

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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.