Home / 268,730.46-403,164.81-192,916.89

Finding the Fourth Proportional to 268,730.46, 403,164.81 and 192,916.89

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Solution

The fourth proportional to 268,730.46, 403,164.81 and 192,916.89 is: 289,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,730.46 : 403,164.81 = 192,916.89 : x
  2. Step 2: Convert to fraction form
    268,730.46/403,164.81 = 192,916.89/x
  3. Step 3: Cross multiply
    268,730.46x = 403,164.81 × 192,916.89
  4. Step 4: Simplify right side
    268,730.46x = 77,777,301,302.64
  5. Step 5: Solve for x
    x = 77,777,301,302.64/268,730.46
  6. Step 6: Final answer
    x = 289,424.96

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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.