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Finding the Fourth Proportional to 343,303.26, 515,097 and 185,345.94

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Solution

The fourth proportional to 343,303.26, 515,097 and 185,345.94 is: 278,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,303.26 : 515,097 = 185,345.94 : x
  2. Step 2: Convert to fraction form
    343,303.26/515,097 = 185,345.94/x
  3. Step 3: Cross multiply
    343,303.26x = 515,097 × 185,345.94
  4. Step 4: Simplify right side
    343,303.26x = 95,471,137,656.18
  5. Step 5: Solve for x
    x = 95,471,137,656.18/343,303.26
  6. Step 6: Final answer
    x = 278,095.63

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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.