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Finding the Fourth Proportional to 335,093.60, 502,640.40 and 113,477.60

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Solution

The fourth proportional to 335,093.60, 502,640.40 and 113,477.60 is: 170,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,093.60 : 502,640.40 = 113,477.60 : x
  2. Step 2: Convert to fraction form
    335,093.60/502,640.40 = 113,477.60/x
  3. Step 3: Cross multiply
    335,093.60x = 502,640.40 × 113,477.60
  4. Step 4: Simplify right side
    335,093.60x = 57,038,426,255.04
  5. Step 5: Solve for x
    x = 57,038,426,255.04/335,093.60
  6. Step 6: Final answer
    x = 170,216.40

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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.