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Finding the Fourth Proportional to 343,377.36, 514,967.52 and 103,514.64

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Solution

The fourth proportional to 343,377.36, 514,967.52 and 103,514.64 is: 155,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,377.36 : 514,967.52 = 103,514.64 : x
  2. Step 2: Convert to fraction form
    343,377.36/514,967.52 = 103,514.64/x
  3. Step 3: Cross multiply
    343,377.36x = 514,967.52 × 103,514.64
  4. Step 4: Simplify right side
    343,377.36x = 53,306,677,444.49
  5. Step 5: Solve for x
    x = 53,306,677,444.49/343,377.36
  6. Step 6: Final answer
    x = 155,242.26

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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.