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Finding the Fourth Proportional to 350,084.40, 525,760.20 and 306,538.80

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Solution

The fourth proportional to 350,084.40, 525,760.20 and 306,538.80 is: 460,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,084.40 : 525,760.20 = 306,538.80 : x
  2. Step 2: Convert to fraction form
    350,084.40/525,760.20 = 306,538.80/x
  3. Step 3: Cross multiply
    350,084.40x = 525,760.20 × 306,538.80
  4. Step 4: Simplify right side
    350,084.40x = 161,165,900,795.76
  5. Step 5: Solve for x
    x = 161,165,900,795.76/350,084.40
  6. Step 6: Final answer
    x = 460,362.99

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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.