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Finding the Fourth Proportional to 559,347.52, 838,556.80 and 222,180.16

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Solution

The fourth proportional to 559,347.52, 838,556.80 and 222,180.16 is: 333,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,347.52 : 838,556.80 = 222,180.16 : x
  2. Step 2: Convert to fraction form
    559,347.52/838,556.80 = 222,180.16/x
  3. Step 3: Cross multiply
    559,347.52x = 838,556.80 × 222,180.16
  4. Step 4: Simplify right side
    559,347.52x = 186,310,683,993.09
  5. Step 5: Solve for x
    x = 186,310,683,993.09/559,347.52
  6. Step 6: Final answer
    x = 333,085.74

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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.