Home / 354,461.04-489,072.15-201,487.23

Finding the Fourth Proportional to 354,461.04, 489,072.15 and 201,487.23

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Solution

The fourth proportional to 354,461.04, 489,072.15 and 201,487.23 is: 278,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,461.04 : 489,072.15 = 201,487.23 : x
  2. Step 2: Convert to fraction form
    354,461.04/489,072.15 = 201,487.23/x
  3. Step 3: Cross multiply
    354,461.04x = 489,072.15 × 201,487.23
  4. Step 4: Simplify right side
    354,461.04x = 98,541,791,033.66
  5. Step 5: Solve for x
    x = 98,541,791,033.66/354,461.04
  6. Step 6: Final answer
    x = 278,004.57

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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.