Home / 354,583.64-531,803.96-129,867.35

Finding the Fourth Proportional to 354,583.64, 531,803.96 and 129,867.35

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Solution

The fourth proportional to 354,583.64, 531,803.96 and 129,867.35 is: 194,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,583.64 : 531,803.96 = 129,867.35 : x
  2. Step 2: Convert to fraction form
    354,583.64/531,803.96 = 129,867.35/x
  3. Step 3: Cross multiply
    354,583.64x = 531,803.96 × 129,867.35
  4. Step 4: Simplify right side
    354,583.64x = 69,063,971,684.88
  5. Step 5: Solve for x
    x = 69,063,971,684.88/354,583.64
  6. Step 6: Final answer
    x = 194,774.84

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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.