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Finding the Fourth Proportional to 405,272.00, 607,409.71 and 227,405.32

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Solution

The fourth proportional to 405,272.00, 607,409.71 and 227,405.32 is: 340,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,272.00 : 607,409.71 = 227,405.32 : x
  2. Step 2: Convert to fraction form
    405,272.00/607,409.71 = 227,405.32/x
  3. Step 3: Cross multiply
    405,272.00x = 607,409.71 × 227,405.32
  4. Step 4: Simplify right side
    405,272.00x = 138,128,197,386.62
  5. Step 5: Solve for x
    x = 138,128,197,386.62/405,272.00
  6. Step 6: Final answer
    x = 340,828.37

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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.