Home / 302,868.10-454,302.15-103,413.70

Finding the Fourth Proportional to 302,868.10, 454,302.15 and 103,413.70

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Solution

The fourth proportional to 302,868.10, 454,302.15 and 103,413.70 is: 155,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,868.10 : 454,302.15 = 103,413.70 : x
  2. Step 2: Convert to fraction form
    302,868.10/454,302.15 = 103,413.70/x
  3. Step 3: Cross multiply
    302,868.10x = 454,302.15 × 103,413.70
  4. Step 4: Simplify right side
    302,868.10x = 46,981,066,249.46
  5. Step 5: Solve for x
    x = 46,981,066,249.46/302,868.10
  6. Step 6: Final answer
    x = 155,120.55

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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.