Home / 301,109.15-415,463.37-172,006.40

Finding the Fourth Proportional to 301,109.15, 415,463.37 and 172,006.40

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Solution

The fourth proportional to 301,109.15, 415,463.37 and 172,006.40 is: 237,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,109.15 : 415,463.37 = 172,006.40 : x
  2. Step 2: Convert to fraction form
    301,109.15/415,463.37 = 172,006.40/x
  3. Step 3: Cross multiply
    301,109.15x = 415,463.37 × 172,006.40
  4. Step 4: Simplify right side
    301,109.15x = 71,462,358,605.57
  5. Step 5: Solve for x
    x = 71,462,358,605.57/301,109.15
  6. Step 6: Final answer
    x = 237,330.41

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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.