Home / 350,421.20-525,815.40-160,938.80

Finding the Fourth Proportional to 350,421.20, 525,815.40 and 160,938.80

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Solution

The fourth proportional to 350,421.20, 525,815.40 and 160,938.80 is: 241,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,421.20 : 525,815.40 = 160,938.80 : x
  2. Step 2: Convert to fraction form
    350,421.20/525,815.40 = 160,938.80/x
  3. Step 3: Cross multiply
    350,421.20x = 525,815.40 × 160,938.80
  4. Step 4: Simplify right side
    350,421.20x = 84,624,099,497.52
  5. Step 5: Solve for x
    x = 84,624,099,497.52/350,421.20
  6. Step 6: Final answer
    x = 241,492.52

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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.