Home / 278,442.85-416,957.79-233,345.62

Finding the Fourth Proportional to 278,442.85, 416,957.79 and 233,345.62

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Solution

The fourth proportional to 278,442.85, 416,957.79 and 233,345.62 is: 349,426.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,442.85 : 416,957.79 = 233,345.62 : x
  2. Step 2: Convert to fraction form
    278,442.85/416,957.79 = 233,345.62/x
  3. Step 3: Cross multiply
    278,442.85x = 416,957.79 × 233,345.62
  4. Step 4: Simplify right side
    278,442.85x = 97,295,274,021.38
  5. Step 5: Solve for x
    x = 97,295,274,021.38/278,442.85
  6. Step 6: Final answer
    x = 349,426.37

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1.5x scale

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.