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Finding the Fourth Proportional to 369,745.17, 510,248.25 and 199,979.25

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Solution

The fourth proportional to 369,745.17, 510,248.25 and 199,979.25 is: 275,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,745.17 : 510,248.25 = 199,979.25 : x
  2. Step 2: Convert to fraction form
    369,745.17/510,248.25 = 199,979.25/x
  3. Step 3: Cross multiply
    369,745.17x = 510,248.25 × 199,979.25
  4. Step 4: Simplify right side
    369,745.17x = 102,039,062,348.81
  5. Step 5: Solve for x
    x = 102,039,062,348.81/369,745.17
  6. Step 6: Final answer
    x = 275,971.32

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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.