Home / 319,416.60-479,124.90-94,811.70

Finding the Fourth Proportional to 319,416.60, 479,124.90 and 94,811.70

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Solution

The fourth proportional to 319,416.60, 479,124.90 and 94,811.70 is: 142,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,416.60 : 479,124.90 = 94,811.70 : x
  2. Step 2: Convert to fraction form
    319,416.60/479,124.90 = 94,811.70/x
  3. Step 3: Cross multiply
    319,416.60x = 479,124.90 × 94,811.70
  4. Step 4: Simplify right side
    319,416.60x = 45,426,646,281.33
  5. Step 5: Solve for x
    x = 45,426,646,281.33/319,416.60
  6. Step 6: Final answer
    x = 142,217.55

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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.