Home / 302,621.52-417,610.12-166,654.40

Finding the Fourth Proportional to 302,621.52, 417,610.12 and 166,654.40

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Solution

The fourth proportional to 302,621.52, 417,610.12 and 166,654.40 is: 229,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,621.52 : 417,610.12 = 166,654.40 : x
  2. Step 2: Convert to fraction form
    302,621.52/417,610.12 = 166,654.40/x
  3. Step 3: Cross multiply
    302,621.52x = 417,610.12 × 166,654.40
  4. Step 4: Simplify right side
    302,621.52x = 69,596,563,982.53
  5. Step 5: Solve for x
    x = 69,596,563,982.53/302,621.52
  6. Step 6: Final answer
    x = 229,978.90

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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.