Home / 609,095.16-913,739.94-209,637.18

Finding the Fourth Proportional to 609,095.16, 913,739.94 and 209,637.18

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Solution

The fourth proportional to 609,095.16, 913,739.94 and 209,637.18 is: 314,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,095.16 : 913,739.94 = 209,637.18 : x
  2. Step 2: Convert to fraction form
    609,095.16/913,739.94 = 209,637.18/x
  3. Step 3: Cross multiply
    609,095.16x = 913,739.94 × 209,637.18
  4. Step 4: Simplify right side
    609,095.16x = 191,553,864,274.97
  5. Step 5: Solve for x
    x = 191,553,864,274.97/609,095.16
  6. Step 6: Final answer
    x = 314,489.22

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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.