Home / 659,410.20-989,104.57-210,125.00

Finding the Fourth Proportional to 659,410.20, 989,104.57 and 210,125.00

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Solution

The fourth proportional to 659,410.20, 989,104.57 and 210,125.00 is: 315,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,410.20 : 989,104.57 = 210,125.00 : x
  2. Step 2: Convert to fraction form
    659,410.20/989,104.57 = 210,125.00/x
  3. Step 3: Cross multiply
    659,410.20x = 989,104.57 × 210,125.00
  4. Step 4: Simplify right side
    659,410.20x = 207,835,599,718.70
  5. Step 5: Solve for x
    x = 207,835,599,718.70/659,410.20
  6. Step 6: Final answer
    x = 315,184.08

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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.