Home / 301,002.31-415,391.12-170,169.55

Finding the Fourth Proportional to 301,002.31, 415,391.12 and 170,169.55

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Solution

The fourth proportional to 301,002.31, 415,391.12 and 170,169.55 is: 234,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,002.31 : 415,391.12 = 170,169.55 : x
  2. Step 2: Convert to fraction form
    301,002.31/415,391.12 = 170,169.55/x
  3. Step 3: Cross multiply
    301,002.31x = 415,391.12 × 170,169.55
  4. Step 4: Simplify right side
    301,002.31x = 70,686,919,113.55
  5. Step 5: Solve for x
    x = 70,686,919,113.55/301,002.31
  6. Step 6: Final answer
    x = 234,838.46

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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.