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Finding the Fourth Proportional to 624,388.48, 936,008.62 and 224,931.56

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Solution

The fourth proportional to 624,388.48, 936,008.62 and 224,931.56 is: 337,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,388.48 : 936,008.62 = 224,931.56 : x
  2. Step 2: Convert to fraction form
    624,388.48/936,008.62 = 224,931.56/x
  3. Step 3: Cross multiply
    624,388.48x = 936,008.62 × 224,931.56
  4. Step 4: Simplify right side
    624,388.48x = 210,537,879,070.05
  5. Step 5: Solve for x
    x = 210,537,879,070.05/624,388.48
  6. Step 6: Final answer
    x = 337,190.52

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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.