Home / 351,276.11-526,913.39-271,430.18

Finding the Fourth Proportional to 351,276.11, 526,913.39 and 271,430.18

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Solution

The fourth proportional to 351,276.11, 526,913.39 and 271,430.18 is: 407,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,276.11 : 526,913.39 = 271,430.18 : x
  2. Step 2: Convert to fraction form
    351,276.11/526,913.39 = 271,430.18/x
  3. Step 3: Cross multiply
    351,276.11x = 526,913.39 × 271,430.18
  4. Step 4: Simplify right side
    351,276.11x = 143,020,197,270.11
  5. Step 5: Solve for x
    x = 143,020,197,270.11/351,276.11
  6. Step 6: Final answer
    x = 407,144.67

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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.