Home / 434,076.60-651,286.32-134,580.72

Finding the Fourth Proportional to 434,076.60, 651,286.32 and 134,580.72

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Solution

The fourth proportional to 434,076.60, 651,286.32 and 134,580.72 is: 201,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,076.60 : 651,286.32 = 134,580.72 : x
  2. Step 2: Convert to fraction form
    434,076.60/651,286.32 = 134,580.72/x
  3. Step 3: Cross multiply
    434,076.60x = 651,286.32 × 134,580.72
  4. Step 4: Simplify right side
    434,076.60x = 87,650,581,871.75
  5. Step 5: Solve for x
    x = 87,650,581,871.75/434,076.60
  6. Step 6: Final answer
    x = 201,924.23

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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.