Home / 354,353.04-489,048.70-201,414.22

Finding the Fourth Proportional to 354,353.04, 489,048.70 and 201,414.22

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Solution

The fourth proportional to 354,353.04, 489,048.70 and 201,414.22 is: 277,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,353.04 : 489,048.70 = 201,414.22 : x
  2. Step 2: Convert to fraction form
    354,353.04/489,048.70 = 201,414.22/x
  3. Step 3: Cross multiply
    354,353.04x = 489,048.70 × 201,414.22
  4. Step 4: Simplify right side
    354,353.04x = 98,501,362,452.51
  5. Step 5: Solve for x
    x = 98,501,362,452.51/354,353.04
  6. Step 6: Final answer
    x = 277,975.21

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1.5x scale

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.