Home / 350,054.20-525,081.30-209,740.60

Finding the Fourth Proportional to 350,054.20, 525,081.30 and 209,740.60

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Solution

The fourth proportional to 350,054.20, 525,081.30 and 209,740.60 is: 314,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,054.20 : 525,081.30 = 209,740.60 : x
  2. Step 2: Convert to fraction form
    350,054.20/525,081.30 = 209,740.60/x
  3. Step 3: Cross multiply
    350,054.20x = 525,081.30 × 209,740.60
  4. Step 4: Simplify right side
    350,054.20x = 110,130,866,910.78
  5. Step 5: Solve for x
    x = 110,130,866,910.78/350,054.20
  6. Step 6: Final answer
    x = 314,610.90

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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.