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Finding the Fourth Proportional to 317,313.54, 475,871.58 and 104,034.51

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Solution

The fourth proportional to 317,313.54, 475,871.58 and 104,034.51 is: 156,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,313.54 : 475,871.58 = 104,034.51 : x
  2. Step 2: Convert to fraction form
    317,313.54/475,871.58 = 104,034.51/x
  3. Step 3: Cross multiply
    317,313.54x = 475,871.58 × 104,034.51
  4. Step 4: Simplify right side
    317,313.54x = 49,507,066,648.23
  5. Step 5: Solve for x
    x = 49,507,066,648.23/317,313.54
  6. Step 6: Final answer
    x = 156,019.40

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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.