Home / 394,909.08-544,801.40-231,482.72

Finding the Fourth Proportional to 394,909.08, 544,801.40 and 231,482.72

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Solution

The fourth proportional to 394,909.08, 544,801.40 and 231,482.72 is: 319,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,909.08 : 544,801.40 = 231,482.72 : x
  2. Step 2: Convert to fraction form
    394,909.08/544,801.40 = 231,482.72/x
  3. Step 3: Cross multiply
    394,909.08x = 544,801.40 × 231,482.72
  4. Step 4: Simplify right side
    394,909.08x = 126,112,109,931.81
  5. Step 5: Solve for x
    x = 126,112,109,931.81/394,909.08
  6. Step 6: Final answer
    x = 319,344.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.