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Finding the Fourth Proportional to 605,007.64, 907,299.91 and 178,430.32

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Solution

The fourth proportional to 605,007.64, 907,299.91 and 178,430.32 is: 267,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,007.64 : 907,299.91 = 178,430.32 : x
  2. Step 2: Convert to fraction form
    605,007.64/907,299.91 = 178,430.32/x
  3. Step 3: Cross multiply
    605,007.64x = 907,299.91 × 178,430.32
  4. Step 4: Simplify right side
    605,007.64x = 161,889,813,277.27
  5. Step 5: Solve for x
    x = 161,889,813,277.27/605,007.64
  6. Step 6: Final answer
    x = 267,583.09

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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.