Home / 374,861.20-517,317.60-213,731.50

Finding the Fourth Proportional to 374,861.20, 517,317.60 and 213,731.50

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Solution

The fourth proportional to 374,861.20, 517,317.60 and 213,731.50 is: 294,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,861.20 : 517,317.60 = 213,731.50 : x
  2. Step 2: Convert to fraction form
    374,861.20/517,317.60 = 213,731.50/x
  3. Step 3: Cross multiply
    374,861.20x = 517,317.60 × 213,731.50
  4. Step 4: Simplify right side
    374,861.20x = 110,567,066,624.40
  5. Step 5: Solve for x
    x = 110,567,066,624.40/374,861.20
  6. Step 6: Final answer
    x = 294,954.68

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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.