Home / 484,868.64-727,413.12-147,939.42

Finding the Fourth Proportional to 484,868.64, 727,413.12 and 147,939.42

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Solution

The fourth proportional to 484,868.64, 727,413.12 and 147,939.42 is: 221,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,868.64 : 727,413.12 = 147,939.42 : x
  2. Step 2: Convert to fraction form
    484,868.64/727,413.12 = 147,939.42/x
  3. Step 3: Cross multiply
    484,868.64x = 727,413.12 × 147,939.42
  4. Step 4: Simplify right side
    484,868.64x = 107,613,075,073.19
  5. Step 5: Solve for x
    x = 107,613,075,073.19/484,868.64
  6. Step 6: Final answer
    x = 221,942.74

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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.