Home / 334,278.72-501,434.28-109,619.28

Finding the Fourth Proportional to 334,278.72, 501,434.28 and 109,619.28

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Solution

The fourth proportional to 334,278.72, 501,434.28 and 109,619.28 is: 164,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,278.72 : 501,434.28 = 109,619.28 : x
  2. Step 2: Convert to fraction form
    334,278.72/501,434.28 = 109,619.28/x
  3. Step 3: Cross multiply
    334,278.72x = 501,434.28 × 109,619.28
  4. Step 4: Simplify right side
    334,278.72x = 54,966,864,740.92
  5. Step 5: Solve for x
    x = 54,966,864,740.92/334,278.72
  6. Step 6: Final answer
    x = 164,434.23

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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.