Home / 293,302.40-440,008.32-135,426.56

Finding the Fourth Proportional to 293,302.40, 440,008.32 and 135,426.56

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Solution

The fourth proportional to 293,302.40, 440,008.32 and 135,426.56 is: 203,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,302.40 : 440,008.32 = 135,426.56 : x
  2. Step 2: Convert to fraction form
    293,302.40/440,008.32 = 135,426.56/x
  3. Step 3: Cross multiply
    293,302.40x = 440,008.32 × 135,426.56
  4. Step 4: Simplify right side
    293,302.40x = 59,588,813,148.98
  5. Step 5: Solve for x
    x = 59,588,813,148.98/293,302.40
  6. Step 6: Final answer
    x = 203,165.11

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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.