Home / 376,747.80-565,056.90-139,968.60

Finding the Fourth Proportional to 376,747.80, 565,056.90 and 139,968.60

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Solution

The fourth proportional to 376,747.80, 565,056.90 and 139,968.60 is: 209,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,747.80 : 565,056.90 = 139,968.60 : x
  2. Step 2: Convert to fraction form
    376,747.80/565,056.90 = 139,968.60/x
  3. Step 3: Cross multiply
    376,747.80x = 565,056.90 × 139,968.60
  4. Step 4: Simplify right side
    376,747.80x = 79,090,223,213.34
  5. Step 5: Solve for x
    x = 79,090,223,213.34/376,747.80
  6. Step 6: Final answer
    x = 209,928.83

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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.