Home / 363,531.31-501,656.96-208,371.35

Finding the Fourth Proportional to 363,531.31, 501,656.96 and 208,371.35

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Solution

The fourth proportional to 363,531.31, 501,656.96 and 208,371.35 is: 287,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,531.31 : 501,656.96 = 208,371.35 : x
  2. Step 2: Convert to fraction form
    363,531.31/501,656.96 = 208,371.35/x
  3. Step 3: Cross multiply
    363,531.31x = 501,656.96 × 208,371.35
  4. Step 4: Simplify right side
    363,531.31x = 104,530,939,767.17
  5. Step 5: Solve for x
    x = 104,530,939,767.17/363,531.31
  6. Step 6: Final answer
    x = 287,543.16

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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.