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Finding the Fourth Proportional to 338,435.20, 507,652.80 and 336,102.40

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Solution

The fourth proportional to 338,435.20, 507,652.80 and 336,102.40 is: 504,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,435.20 : 507,652.80 = 336,102.40 : x
  2. Step 2: Convert to fraction form
    338,435.20/507,652.80 = 336,102.40/x
  3. Step 3: Cross multiply
    338,435.20x = 507,652.80 × 336,102.40
  4. Step 4: Simplify right side
    338,435.20x = 170,623,324,446.72
  5. Step 5: Solve for x
    x = 170,623,324,446.72/338,435.20
  6. Step 6: Final answer
    x = 504,153.60

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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.