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Finding the Fourth Proportional to 606,208.56, 909,349.29 and 185,488.08

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Solution

The fourth proportional to 606,208.56, 909,349.29 and 185,488.08 is: 278,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,208.56 : 909,349.29 = 185,488.08 : x
  2. Step 2: Convert to fraction form
    606,208.56/909,349.29 = 185,488.08/x
  3. Step 3: Cross multiply
    606,208.56x = 909,349.29 × 185,488.08
  4. Step 4: Simplify right side
    606,208.56x = 168,673,453,851.46
  5. Step 5: Solve for x
    x = 168,673,453,851.46/606,208.56
  6. Step 6: Final answer
    x = 278,243.27

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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.