Home / 635,724.47-953,511.15-209,154.51

Finding the Fourth Proportional to 635,724.47, 953,511.15 and 209,154.51

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Solution

The fourth proportional to 635,724.47, 953,511.15 and 209,154.51 is: 313,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,724.47 : 953,511.15 = 209,154.51 : x
  2. Step 2: Convert to fraction form
    635,724.47/953,511.15 = 209,154.51/x
  3. Step 3: Cross multiply
    635,724.47x = 953,511.15 × 209,154.51
  4. Step 4: Simplify right side
    635,724.47x = 199,431,157,357.79
  5. Step 5: Solve for x
    x = 199,431,157,357.79/635,724.47
  6. Step 6: Final answer
    x = 313,706.91

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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.