Home / 348,811.80-523,217.70-325,192.20

Finding the Fourth Proportional to 348,811.80, 523,217.70 and 325,192.20

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Solution

The fourth proportional to 348,811.80, 523,217.70 and 325,192.20 is: 487,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,811.80 : 523,217.70 = 325,192.20 : x
  2. Step 2: Convert to fraction form
    348,811.80/523,217.70 = 325,192.20/x
  3. Step 3: Cross multiply
    348,811.80x = 523,217.70 × 325,192.20
  4. Step 4: Simplify right side
    348,811.80x = 170,146,314,941.94
  5. Step 5: Solve for x
    x = 170,146,314,941.94/348,811.80
  6. Step 6: Final answer
    x = 487,788.30

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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.