Home / 302,054.20-452,562.90-143,942.20

Finding the Fourth Proportional to 302,054.20, 452,562.90 and 143,942.20

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Solution

The fourth proportional to 302,054.20, 452,562.90 and 143,942.20 is: 215,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,054.20 : 452,562.90 = 143,942.20 : x
  2. Step 2: Convert to fraction form
    302,054.20/452,562.90 = 143,942.20/x
  3. Step 3: Cross multiply
    302,054.20x = 452,562.90 × 143,942.20
  4. Step 4: Simplify right side
    302,054.20x = 65,142,899,464.38
  5. Step 5: Solve for x
    x = 65,142,899,464.38/302,054.20
  6. Step 6: Final answer
    x = 215,666.26

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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.