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Finding the Fourth Proportional to 354,804.60, 532,821.30 and 250,356.60

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Solution

The fourth proportional to 354,804.60, 532,821.30 and 250,356.60 is: 375,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,804.60 : 532,821.30 = 250,356.60 : x
  2. Step 2: Convert to fraction form
    354,804.60/532,821.30 = 250,356.60/x
  3. Step 3: Cross multiply
    354,804.60x = 532,821.30 × 250,356.60
  4. Step 4: Simplify right side
    354,804.60x = 133,395,329,075.58
  5. Step 5: Solve for x
    x = 133,395,329,075.58/354,804.60
  6. Step 6: Final answer
    x = 375,968.43

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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.