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Finding the Fourth Proportional to 301,041.72, 415,450.32 and 172,001.43

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Solution

The fourth proportional to 301,041.72, 415,450.32 and 172,001.43 is: 237,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,041.72 : 415,450.32 = 172,001.43 : x
  2. Step 2: Convert to fraction form
    301,041.72/415,450.32 = 172,001.43/x
  3. Step 3: Cross multiply
    301,041.72x = 415,450.32 × 172,001.43
  4. Step 4: Simplify right side
    301,041.72x = 71,458,049,133.96
  5. Step 5: Solve for x
    x = 71,458,049,133.96/301,041.72
  6. Step 6: Final answer
    x = 237,369.26

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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.