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Finding the Fourth Proportional to 338,351.09, 507,535.52 and 98,455.30

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Solution

The fourth proportional to 338,351.09, 507,535.52 and 98,455.30 is: 147,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,351.09 : 507,535.52 = 98,455.30 : x
  2. Step 2: Convert to fraction form
    338,351.09/507,535.52 = 98,455.30/x
  3. Step 3: Cross multiply
    338,351.09x = 507,535.52 × 98,455.30
  4. Step 4: Simplify right side
    338,351.09x = 49,969,561,389.98
  5. Step 5: Solve for x
    x = 49,969,561,389.98/338,351.09
  6. Step 6: Final answer
    x = 147,685.54

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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.