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Finding the Fourth Proportional to 336,127.32, 504,263.88 and 99,486.63

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Solution

The fourth proportional to 336,127.32, 504,263.88 and 99,486.63 is: 149,251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,127.32 : 504,263.88 = 99,486.63 : x
  2. Step 2: Convert to fraction form
    336,127.32/504,263.88 = 99,486.63/x
  3. Step 3: Cross multiply
    336,127.32x = 504,263.88 × 99,486.63
  4. Step 4: Simplify right side
    336,127.32x = 50,167,514,051.92
  5. Step 5: Solve for x
    x = 50,167,514,051.92/336,127.32
  6. Step 6: Final answer
    x = 149,251.52

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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.