Home / 231,280.05-346,943.88-87,307.14

Finding the Fourth Proportional to 231,280.05, 346,943.88 and 87,307.14

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Solution

The fourth proportional to 231,280.05, 346,943.88 and 87,307.14 is: 130,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,280.05 : 346,943.88 = 87,307.14 : x
  2. Step 2: Convert to fraction form
    231,280.05/346,943.88 = 87,307.14/x
  3. Step 3: Cross multiply
    231,280.05x = 346,943.88 × 87,307.14
  4. Step 4: Simplify right side
    231,280.05x = 30,290,677,903.30
  5. Step 5: Solve for x
    x = 30,290,677,903.30/231,280.05
  6. Step 6: Final answer
    x = 130,969.70

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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.