Home / 367,975.20-551,962.80-315,487.20

Finding the Fourth Proportional to 367,975.20, 551,962.80 and 315,487.20

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Solution

The fourth proportional to 367,975.20, 551,962.80 and 315,487.20 is: 473,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,975.20 : 551,962.80 = 315,487.20 : x
  2. Step 2: Convert to fraction form
    367,975.20/551,962.80 = 315,487.20/x
  3. Step 3: Cross multiply
    367,975.20x = 551,962.80 × 315,487.20
  4. Step 4: Simplify right side
    367,975.20x = 174,137,198,276.16
  5. Step 5: Solve for x
    x = 174,137,198,276.16/367,975.20
  6. Step 6: Final answer
    x = 473,230.80

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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.