Home / 302,621.18-417,618.48-173,564.64

Finding the Fourth Proportional to 302,621.18, 417,618.48 and 173,564.64

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Solution

The fourth proportional to 302,621.18, 417,618.48 and 173,564.64 is: 239,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,621.18 : 417,618.48 = 173,564.64 : x
  2. Step 2: Convert to fraction form
    302,621.18/417,618.48 = 173,564.64/x
  3. Step 3: Cross multiply
    302,621.18x = 417,618.48 × 173,564.64
  4. Step 4: Simplify right side
    302,621.18x = 72,483,801,138.55
  5. Step 5: Solve for x
    x = 72,483,801,138.55/302,621.18
  6. Step 6: Final answer
    x = 239,519.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.