Home / 301,281.04-415,767.54-165,315.76

Finding the Fourth Proportional to 301,281.04, 415,767.54 and 165,315.76

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Solution

The fourth proportional to 301,281.04, 415,767.54 and 165,315.76 is: 228,135.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,281.04 : 415,767.54 = 165,315.76 : x
  2. Step 2: Convert to fraction form
    301,281.04/415,767.54 = 165,315.76/x
  3. Step 3: Cross multiply
    301,281.04x = 415,767.54 × 165,315.76
  4. Step 4: Simplify right side
    301,281.04x = 68,732,926,858.43
  5. Step 5: Solve for x
    x = 68,732,926,858.43/301,281.04
  6. Step 6: Final answer
    x = 228,135.59

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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.