Home / 381,501.09-526,526.26-228,545.73

Finding the Fourth Proportional to 381,501.09, 526,526.26 and 228,545.73

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Solution

The fourth proportional to 381,501.09, 526,526.26 and 228,545.73 is: 315,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,501.09 : 526,526.26 = 228,545.73 : x
  2. Step 2: Convert to fraction form
    381,501.09/526,526.26 = 228,545.73/x
  3. Step 3: Cross multiply
    381,501.09x = 526,526.26 × 228,545.73
  4. Step 4: Simplify right side
    381,501.09x = 120,335,327,884.51
  5. Step 5: Solve for x
    x = 120,335,327,884.51/381,501.09
  6. Step 6: Final answer
    x = 315,425.91

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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.