Home / 312,307.33-430,985.52-169,067.38

Finding the Fourth Proportional to 312,307.33, 430,985.52 and 169,067.38

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Solution

The fourth proportional to 312,307.33, 430,985.52 and 169,067.38 is: 233,313.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,307.33 : 430,985.52 = 169,067.38 : x
  2. Step 2: Convert to fraction form
    312,307.33/430,985.52 = 169,067.38/x
  3. Step 3: Cross multiply
    312,307.33x = 430,985.52 × 169,067.38
  4. Step 4: Simplify right side
    312,307.33x = 72,865,590,164.77
  5. Step 5: Solve for x
    x = 72,865,590,164.77/312,307.33
  6. Step 6: Final answer
    x = 233,313.73

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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.