Home / 334,015.40-501,071.70-109,321.40

Finding the Fourth Proportional to 334,015.40, 501,071.70 and 109,321.40

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Solution

The fourth proportional to 334,015.40, 501,071.70 and 109,321.40 is: 163,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,015.40 : 501,071.70 = 109,321.40 : x
  2. Step 2: Convert to fraction form
    334,015.40/501,071.70 = 109,321.40/x
  3. Step 3: Cross multiply
    334,015.40x = 501,071.70 × 109,321.40
  4. Step 4: Simplify right side
    334,015.40x = 54,777,859,744.38
  5. Step 5: Solve for x
    x = 54,777,859,744.38/334,015.40
  6. Step 6: Final answer
    x = 163,998.01

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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.