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Finding the Fourth Proportional to 296,314.23, 408,920.64 and 168,987.09

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Solution

The fourth proportional to 296,314.23, 408,920.64 and 168,987.09 is: 233,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,314.23 : 408,920.64 = 168,987.09 : x
  2. Step 2: Convert to fraction form
    296,314.23/408,920.64 = 168,987.09/x
  3. Step 3: Cross multiply
    296,314.23x = 408,920.64 × 168,987.09
  4. Step 4: Simplify right side
    296,314.23x = 69,102,308,994.54
  5. Step 5: Solve for x
    x = 69,102,308,994.54/296,314.23
  6. Step 6: Final answer
    x = 233,206.18

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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.