Home / 328,656.36-453,822.38-208,010.52

Finding the Fourth Proportional to 328,656.36, 453,822.38 and 208,010.52

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Solution

The fourth proportional to 328,656.36, 453,822.38 and 208,010.52 is: 287,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,656.36 : 453,822.38 = 208,010.52 : x
  2. Step 2: Convert to fraction form
    328,656.36/453,822.38 = 208,010.52/x
  3. Step 3: Cross multiply
    328,656.36x = 453,822.38 × 208,010.52
  4. Step 4: Simplify right side
    328,656.36x = 94,399,829,251.44
  5. Step 5: Solve for x
    x = 94,399,829,251.44/328,656.36
  6. Step 6: Final answer
    x = 287,229.58

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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.