Home / 357,815.68-536,519.39-147,202.72

Finding the Fourth Proportional to 357,815.68, 536,519.39 and 147,202.72

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Solution

The fourth proportional to 357,815.68, 536,519.39 and 147,202.72 is: 220,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,815.68 : 536,519.39 = 147,202.72 : x
  2. Step 2: Convert to fraction form
    357,815.68/536,519.39 = 147,202.72/x
  3. Step 3: Cross multiply
    357,815.68x = 536,519.39 × 147,202.72
  4. Step 4: Simplify right side
    357,815.68x = 78,977,110,858.14
  5. Step 5: Solve for x
    x = 78,977,110,858.14/357,815.68
  6. Step 6: Final answer
    x = 220,720.10

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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.