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Finding the Fourth Proportional to 338,304.96, 507,532.32 and 113,673.60

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Solution

The fourth proportional to 338,304.96, 507,532.32 and 113,673.60 is: 170,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,304.96 : 507,532.32 = 113,673.60 : x
  2. Step 2: Convert to fraction form
    338,304.96/507,532.32 = 113,673.60/x
  3. Step 3: Cross multiply
    338,304.96x = 507,532.32 × 113,673.60
  4. Step 4: Simplify right side
    338,304.96x = 57,693,025,930.75
  5. Step 5: Solve for x
    x = 57,693,025,930.75/338,304.96
  6. Step 6: Final answer
    x = 170,535.56

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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.