Home / 385,200.55-577,899.24-148,479.67

Finding the Fourth Proportional to 385,200.55, 577,899.24 and 148,479.67

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Solution

The fourth proportional to 385,200.55, 577,899.24 and 148,479.67 is: 222,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,200.55 : 577,899.24 = 148,479.67 : x
  2. Step 2: Convert to fraction form
    385,200.55/577,899.24 = 148,479.67/x
  3. Step 3: Cross multiply
    385,200.55x = 577,899.24 × 148,479.67
  4. Step 4: Simplify right side
    385,200.55x = 85,806,288,448.45
  5. Step 5: Solve for x
    x = 85,806,288,448.45/385,200.55
  6. Step 6: Final answer
    x = 222,757.44

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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.