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Finding the Fourth Proportional to 605,595.47, 908,533.93 and 206,239.71

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Solution

The fourth proportional to 605,595.47, 908,533.93 and 206,239.71 is: 309,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,595.47 : 908,533.93 = 206,239.71 : x
  2. Step 2: Convert to fraction form
    605,595.47/908,533.93 = 206,239.71/x
  3. Step 3: Cross multiply
    605,595.47x = 908,533.93 × 206,239.71
  4. Step 4: Simplify right side
    605,595.47x = 187,375,774,248.36
  5. Step 5: Solve for x
    x = 187,375,774,248.36/605,595.47
  6. Step 6: Final answer
    x = 309,407.49

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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.