Home / 350,657.20-525,985.80-323,623.60

Finding the Fourth Proportional to 350,657.20, 525,985.80 and 323,623.60

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Solution

The fourth proportional to 350,657.20, 525,985.80 and 323,623.60 is: 485,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,657.20 : 525,985.80 = 323,623.60 : x
  2. Step 2: Convert to fraction form
    350,657.20/525,985.80 = 323,623.60/x
  3. Step 3: Cross multiply
    350,657.20x = 525,985.80 × 323,623.60
  4. Step 4: Simplify right side
    350,657.20x = 170,221,418,144.88
  5. Step 5: Solve for x
    x = 170,221,418,144.88/350,657.20
  6. Step 6: Final answer
    x = 485,435.40

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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.