Home / 351,939.80-527,909.58-304,413.55

Finding the Fourth Proportional to 351,939.80, 527,909.58 and 304,413.55

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Solution

The fourth proportional to 351,939.80, 527,909.58 and 304,413.55 is: 456,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,939.80 : 527,909.58 = 304,413.55 : x
  2. Step 2: Convert to fraction form
    351,939.80/527,909.58 = 304,413.55/x
  3. Step 3: Cross multiply
    351,939.80x = 527,909.58 × 304,413.55
  4. Step 4: Simplify right side
    351,939.80x = 160,702,829,326.81
  5. Step 5: Solve for x
    x = 160,702,829,326.81/351,939.80
  6. Step 6: Final answer
    x = 456,620.22

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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.