Home / 338,399.10-507,579.97-113,736.35

Finding the Fourth Proportional to 338,399.10, 507,579.97 and 113,736.35

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Solution

The fourth proportional to 338,399.10, 507,579.97 and 113,736.35 is: 170,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,399.10 : 507,579.97 = 113,736.35 : x
  2. Step 2: Convert to fraction form
    338,399.10/507,579.97 = 113,736.35/x
  3. Step 3: Cross multiply
    338,399.10x = 507,579.97 × 113,736.35
  4. Step 4: Simplify right side
    338,399.10x = 57,730,294,318.77
  5. Step 5: Solve for x
    x = 57,730,294,318.77/338,399.10
  6. Step 6: Final answer
    x = 170,598.25

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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.