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Finding the Fourth Proportional to 360,308.31, 497,220.06 and 199,159.80

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Solution

The fourth proportional to 360,308.31, 497,220.06 and 199,159.80 is: 274,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,308.31 : 497,220.06 = 199,159.80 : x
  2. Step 2: Convert to fraction form
    360,308.31/497,220.06 = 199,159.80/x
  3. Step 3: Cross multiply
    360,308.31x = 497,220.06 × 199,159.80
  4. Step 4: Simplify right side
    360,308.31x = 99,026,247,705.59
  5. Step 5: Solve for x
    x = 99,026,247,705.59/360,308.31
  6. Step 6: Final answer
    x = 274,837.53

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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.