Home / 334,020.40-501,079.20-109,326.40

Finding the Fourth Proportional to 334,020.40, 501,079.20 and 109,326.40

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Solution

The fourth proportional to 334,020.40, 501,079.20 and 109,326.40 is: 164,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,020.40 : 501,079.20 = 109,326.40 : x
  2. Step 2: Convert to fraction form
    334,020.40/501,079.20 = 109,326.40/x
  3. Step 3: Cross multiply
    334,020.40x = 501,079.20 × 109,326.40
  4. Step 4: Simplify right side
    334,020.40x = 54,781,185,050.88
  5. Step 5: Solve for x
    x = 54,781,185,050.88/334,020.40
  6. Step 6: Final answer
    x = 164,005.51

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1.5x scale

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.