Home / 635,722.47-953,508.16-209,152.51

Finding the Fourth Proportional to 635,722.47, 953,508.16 and 209,152.51

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Solution

The fourth proportional to 635,722.47, 953,508.16 and 209,152.51 is: 313,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,722.47 : 953,508.16 = 209,152.51 : x
  2. Step 2: Convert to fraction form
    635,722.47/953,508.16 = 209,152.51/x
  3. Step 3: Cross multiply
    635,722.47x = 953,508.16 × 209,152.51
  4. Step 4: Simplify right side
    635,722.47x = 199,428,621,539.95
  5. Step 5: Solve for x
    x = 199,428,621,539.95/635,722.47
  6. Step 6: Final answer
    x = 313,703.91

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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.