Home / 343,614.90-515,276.55-166,176.30

Finding the Fourth Proportional to 343,614.90, 515,276.55 and 166,176.30

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Solution

The fourth proportional to 343,614.90, 515,276.55 and 166,176.30 is: 249,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,614.90 : 515,276.55 = 166,176.30 : x
  2. Step 2: Convert to fraction form
    343,614.90/515,276.55 = 166,176.30/x
  3. Step 3: Cross multiply
    343,614.90x = 515,276.55 × 166,176.30
  4. Step 4: Simplify right side
    343,614.90x = 85,626,750,555.77
  5. Step 5: Solve for x
    x = 85,626,750,555.77/343,614.90
  6. Step 6: Final answer
    x = 249,193.94

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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.