Home / 385,239.15-577,884.08-100,936.67

Finding the Fourth Proportional to 385,239.15, 577,884.08 and 100,936.67

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Solution

The fourth proportional to 385,239.15, 577,884.08 and 100,936.67 is: 151,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,239.15 : 577,884.08 = 100,936.67 : x
  2. Step 2: Convert to fraction form
    385,239.15/577,884.08 = 100,936.67/x
  3. Step 3: Cross multiply
    385,239.15x = 577,884.08 × 100,936.67
  4. Step 4: Simplify right side
    385,239.15x = 58,329,691,791.79
  5. Step 5: Solve for x
    x = 58,329,691,791.79/385,239.15
  6. Step 6: Final answer
    x = 151,411.64

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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.