Home / 374,958.08-517,441.20-205,190.72

Finding the Fourth Proportional to 374,958.08, 517,441.20 and 205,190.72

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Solution

The fourth proportional to 374,958.08, 517,441.20 and 205,190.72 is: 283,162.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,958.08 : 517,441.20 = 205,190.72 : x
  2. Step 2: Convert to fraction form
    374,958.08/517,441.20 = 205,190.72/x
  3. Step 3: Cross multiply
    374,958.08x = 517,441.20 × 205,190.72
  4. Step 4: Simplify right side
    374,958.08x = 106,174,132,385.66
  5. Step 5: Solve for x
    x = 106,174,132,385.66/374,958.08
  6. Step 6: Final answer
    x = 283,162.67

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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.