Home / 353,244.80-529,089.60-313,846.40

Finding the Fourth Proportional to 353,244.80, 529,089.60 and 313,846.40

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Solution

The fourth proportional to 353,244.80, 529,089.60 and 313,846.40 is: 470,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,244.80 : 529,089.60 = 313,846.40 : x
  2. Step 2: Convert to fraction form
    353,244.80/529,089.60 = 313,846.40/x
  3. Step 3: Cross multiply
    353,244.80x = 529,089.60 × 313,846.40
  4. Step 4: Simplify right side
    353,244.80x = 166,052,866,237.44
  5. Step 5: Solve for x
    x = 166,052,866,237.44/353,244.80
  6. Step 6: Final answer
    x = 470,078.73

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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.