Home / 400,830.60-601,301.28-134,667.24

Finding the Fourth Proportional to 400,830.60, 601,301.28 and 134,667.24

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Solution

The fourth proportional to 400,830.60, 601,301.28 and 134,667.24 is: 202,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,830.60 : 601,301.28 = 134,667.24 : x
  2. Step 2: Convert to fraction form
    400,830.60/601,301.28 = 134,667.24/x
  3. Step 3: Cross multiply
    400,830.60x = 601,301.28 × 134,667.24
  4. Step 4: Simplify right side
    400,830.60x = 80,975,583,786.07
  5. Step 5: Solve for x
    x = 80,975,583,786.07/400,830.60
  6. Step 6: Final answer
    x = 202,019.47

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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.