Home / 350,541.60-525,121.20-209,882.40

Finding the Fourth Proportional to 350,541.60, 525,121.20 and 209,882.40

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Solution

The fourth proportional to 350,541.60, 525,121.20 and 209,882.40 is: 314,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,541.60 : 525,121.20 = 209,882.40 : x
  2. Step 2: Convert to fraction form
    350,541.60/525,121.20 = 209,882.40/x
  3. Step 3: Cross multiply
    350,541.60x = 525,121.20 × 209,882.40
  4. Step 4: Simplify right side
    350,541.60x = 110,213,697,746.88
  5. Step 5: Solve for x
    x = 110,213,697,746.88/350,541.60
  6. Step 6: Final answer
    x = 314,409.75

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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.