Home / 350,890.20-525,557.70-271,747.80

Finding the Fourth Proportional to 350,890.20, 525,557.70 and 271,747.80

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Solution

The fourth proportional to 350,890.20, 525,557.70 and 271,747.80 is: 407,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,890.20 : 525,557.70 = 271,747.80 : x
  2. Step 2: Convert to fraction form
    350,890.20/525,557.70 = 271,747.80/x
  3. Step 3: Cross multiply
    350,890.20x = 525,557.70 × 271,747.80
  4. Step 4: Simplify right side
    350,890.20x = 142,819,148,748.06
  5. Step 5: Solve for x
    x = 142,819,148,748.06/350,890.20
  6. Step 6: Final answer
    x = 407,019.49

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1.5x scale

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.