Home / 354,406.04-489,092.15-193,269.91

Finding the Fourth Proportional to 354,406.04, 489,092.15 and 193,269.91

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Solution

The fourth proportional to 354,406.04, 489,092.15 and 193,269.91 is: 266,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,406.04 : 489,092.15 = 193,269.91 : x
  2. Step 2: Convert to fraction form
    354,406.04/489,092.15 = 193,269.91/x
  3. Step 3: Cross multiply
    354,406.04x = 489,092.15 × 193,269.91
  4. Step 4: Simplify right side
    354,406.04x = 94,526,792,400.40
  5. Step 5: Solve for x
    x = 94,526,792,400.40/354,406.04
  6. Step 6: Final answer
    x = 266,718.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.