Home / 346,786.60-520,352.70-197,141.80

Finding the Fourth Proportional to 346,786.60, 520,352.70 and 197,141.80

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Solution

The fourth proportional to 346,786.60, 520,352.70 and 197,141.80 is: 295,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,786.60 : 520,352.70 = 197,141.80 : x
  2. Step 2: Convert to fraction form
    346,786.60/520,352.70 = 197,141.80/x
  3. Step 3: Cross multiply
    346,786.60x = 520,352.70 × 197,141.80
  4. Step 4: Simplify right side
    346,786.60x = 102,583,267,912.86
  5. Step 5: Solve for x
    x = 102,583,267,912.86/346,786.60
  6. Step 6: Final answer
    x = 295,810.93

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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.