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Finding the Fourth Proportional to 375,054.39, 562,481.67 and 105,167.67

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Solution

The fourth proportional to 375,054.39, 562,481.67 and 105,167.67 is: 157,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,054.39 : 562,481.67 = 105,167.67 : x
  2. Step 2: Convert to fraction form
    375,054.39/562,481.67 = 105,167.67/x
  3. Step 3: Cross multiply
    375,054.39x = 562,481.67 × 105,167.67
  4. Step 4: Simplify right side
    375,054.39x = 59,154,886,651.61
  5. Step 5: Solve for x
    x = 59,154,886,651.61/375,054.39
  6. Step 6: Final answer
    x = 157,723.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.