Home / 284,816.20-427,289.10-166,426.60

Finding the Fourth Proportional to 284,816.20, 427,289.10 and 166,426.60

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Solution

The fourth proportional to 284,816.20, 427,289.10 and 166,426.60 is: 249,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,816.20 : 427,289.10 = 166,426.60 : x
  2. Step 2: Convert to fraction form
    284,816.20/427,289.10 = 166,426.60/x
  3. Step 3: Cross multiply
    284,816.20x = 427,289.10 × 166,426.60
  4. Step 4: Simplify right side
    284,816.20x = 71,112,272,130.06
  5. Step 5: Solve for x
    x = 71,112,272,130.06/284,816.20
  6. Step 6: Final answer
    x = 249,677.76

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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.