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Finding the Fourth Proportional to 340,554.06, 510,043.71 and 328,744.26

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Solution

The fourth proportional to 340,554.06, 510,043.71 and 328,744.26 is: 492,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,554.06 : 510,043.71 = 328,744.26 : x
  2. Step 2: Convert to fraction form
    340,554.06/510,043.71 = 328,744.26/x
  3. Step 3: Cross multiply
    340,554.06x = 510,043.71 × 328,744.26
  4. Step 4: Simplify right side
    340,554.06x = 167,673,942,011.61
  5. Step 5: Solve for x
    x = 167,673,942,011.61/340,554.06
  6. Step 6: Final answer
    x = 492,356.31

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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.