Home / 374,918.95-562,379.87-90,609.03

Finding the Fourth Proportional to 374,918.95, 562,379.87 and 90,609.03

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Solution

The fourth proportional to 374,918.95, 562,379.87 and 90,609.03 is: 135,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,918.95 : 562,379.87 = 90,609.03 : x
  2. Step 2: Convert to fraction form
    374,918.95/562,379.87 = 90,609.03/x
  3. Step 3: Cross multiply
    374,918.95x = 562,379.87 × 90,609.03
  4. Step 4: Simplify right side
    374,918.95x = 50,956,696,645.57
  5. Step 5: Solve for x
    x = 50,956,696,645.57/374,918.95
  6. Step 6: Final answer
    x = 135,913.90

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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.