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Finding the Fourth Proportional to 608,540.07, 912,870.93 and 209,128.26

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Solution

The fourth proportional to 608,540.07, 912,870.93 and 209,128.26 is: 313,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,540.07 : 912,870.93 = 209,128.26 : x
  2. Step 2: Convert to fraction form
    608,540.07/912,870.93 = 209,128.26/x
  3. Step 3: Cross multiply
    608,540.07x = 912,870.93 × 209,128.26
  4. Step 4: Simplify right side
    608,540.07x = 190,907,109,195.48
  5. Step 5: Solve for x
    x = 190,907,109,195.48/608,540.07
  6. Step 6: Final answer
    x = 313,713.29

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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.