Home / 343,964.04-515,710.55-175,157.61

Finding the Fourth Proportional to 343,964.04, 515,710.55 and 175,157.61

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Solution

The fourth proportional to 343,964.04, 515,710.55 and 175,157.61 is: 262,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,964.04 : 515,710.55 = 175,157.61 : x
  2. Step 2: Convert to fraction form
    343,964.04/515,710.55 = 175,157.61/x
  3. Step 3: Cross multiply
    343,964.04x = 515,710.55 × 175,157.61
  4. Step 4: Simplify right side
    343,964.04x = 90,330,626,514.00
  5. Step 5: Solve for x
    x = 90,330,626,514.00/343,964.04
  6. Step 6: Final answer
    x = 262,616.48

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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.