Home / 353,217.80-529,049.10-313,819.40

Finding the Fourth Proportional to 353,217.80, 529,049.10 and 313,819.40

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Solution

The fourth proportional to 353,217.80, 529,049.10 and 313,819.40 is: 470,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,217.80 : 529,049.10 = 313,819.40 : x
  2. Step 2: Convert to fraction form
    353,217.80/529,049.10 = 313,819.40/x
  3. Step 3: Cross multiply
    353,217.80x = 529,049.10 × 313,819.40
  4. Step 4: Simplify right side
    353,217.80x = 166,025,871,132.54
  5. Step 5: Solve for x
    x = 166,025,871,132.54/353,217.80
  6. Step 6: Final answer
    x = 470,038.23

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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.