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Finding the Fourth Proportional to 297,539.08, 410,603.86 and 163,403.08

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Solution

The fourth proportional to 297,539.08, 410,603.86 and 163,403.08 is: 225,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,539.08 : 410,603.86 = 163,403.08 : x
  2. Step 2: Convert to fraction form
    297,539.08/410,603.86 = 163,403.08/x
  3. Step 3: Cross multiply
    297,539.08x = 410,603.86 × 163,403.08
  4. Step 4: Simplify right side
    297,539.08x = 67,093,935,383.89
  5. Step 5: Solve for x
    x = 67,093,935,383.89/297,539.08
  6. Step 6: Final answer
    x = 225,496.21

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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.