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Finding the Fourth Proportional to 354,669.80, 532,004.70 and 177,204.20

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Solution

The fourth proportional to 354,669.80, 532,004.70 and 177,204.20 is: 265,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,669.80 : 532,004.70 = 177,204.20 : x
  2. Step 2: Convert to fraction form
    354,669.80/532,004.70 = 177,204.20/x
  3. Step 3: Cross multiply
    354,669.80x = 532,004.70 × 177,204.20
  4. Step 4: Simplify right side
    354,669.80x = 94,273,467,259.74
  5. Step 5: Solve for x
    x = 94,273,467,259.74/354,669.80
  6. Step 6: Final answer
    x = 265,806.30

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1.5x scale

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.