Home / 302,819.85-417,885.89-166,866.35

Finding the Fourth Proportional to 302,819.85, 417,885.89 and 166,866.35

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Solution

The fourth proportional to 302,819.85, 417,885.89 and 166,866.35 is: 230,272.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,819.85 : 417,885.89 = 166,866.35 : x
  2. Step 2: Convert to fraction form
    302,819.85/417,885.89 = 166,866.35/x
  3. Step 3: Cross multiply
    302,819.85x = 417,885.89 × 166,866.35
  4. Step 4: Simplify right side
    302,819.85x = 69,731,090,257.04
  5. Step 5: Solve for x
    x = 69,731,090,257.04/302,819.85
  6. Step 6: Final answer
    x = 230,272.52

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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.