Home / 308,927.55-426,099.88-283,515.98

Finding the Fourth Proportional to 308,927.55, 426,099.88 and 283,515.98

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Solution

The fourth proportional to 308,927.55, 426,099.88 and 283,515.98 is: 391,050.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,927.55 : 426,099.88 = 283,515.98 : x
  2. Step 2: Convert to fraction form
    308,927.55/426,099.88 = 283,515.98/x
  3. Step 3: Cross multiply
    308,927.55x = 426,099.88 × 283,515.98
  4. Step 4: Simplify right side
    308,927.55x = 120,806,125,056.08
  5. Step 5: Solve for x
    x = 120,806,125,056.08/308,927.55
  6. Step 6: Final answer
    x = 391,050.02

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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.