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Finding the Fourth Proportional to 351,159.56, 484,596.54 and 190,011.08

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Solution

The fourth proportional to 351,159.56, 484,596.54 and 190,011.08 is: 262,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,159.56 : 484,596.54 = 190,011.08 : x
  2. Step 2: Convert to fraction form
    351,159.56/484,596.54 = 190,011.08/x
  3. Step 3: Cross multiply
    351,159.56x = 484,596.54 × 190,011.08
  4. Step 4: Simplify right side
    351,159.56x = 92,078,711,929.66
  5. Step 5: Solve for x
    x = 92,078,711,929.66/351,159.56
  6. Step 6: Final answer
    x = 262,213.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.