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Finding the Fourth Proportional to 301,007.57, 415,409.11 and 166,871.57

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Solution

The fourth proportional to 301,007.57, 415,409.11 and 166,871.57 is: 230,293.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,007.57 : 415,409.11 = 166,871.57 : x
  2. Step 2: Convert to fraction form
    301,007.57/415,409.11 = 166,871.57/x
  3. Step 3: Cross multiply
    301,007.57x = 415,409.11 × 166,871.57
  4. Step 4: Simplify right side
    301,007.57x = 69,319,968,349.79
  5. Step 5: Solve for x
    x = 69,319,968,349.79/301,007.57
  6. Step 6: Final answer
    x = 230,293.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.