Home / 334,437.39-501,654.23-81,719.28

Finding the Fourth Proportional to 334,437.39, 501,654.23 and 81,719.28

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Solution

The fourth proportional to 334,437.39, 501,654.23 and 81,719.28 is: 122,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,437.39 : 501,654.23 = 81,719.28 : x
  2. Step 2: Convert to fraction form
    334,437.39/501,654.23 = 81,719.28/x
  3. Step 3: Cross multiply
    334,437.39x = 501,654.23 × 81,719.28
  4. Step 4: Simplify right side
    334,437.39x = 40,994,822,075.96
  5. Step 5: Solve for x
    x = 40,994,822,075.96/334,437.39
  6. Step 6: Final answer
    x = 122,578.47

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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.