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Finding the Fourth Proportional to 424,858.96, 637,288.48 and 158,640.32

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Solution

The fourth proportional to 424,858.96, 637,288.48 and 158,640.32 is: 237,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,858.96 : 637,288.48 = 158,640.32 : x
  2. Step 2: Convert to fraction form
    424,858.96/637,288.48 = 158,640.32/x
  3. Step 3: Cross multiply
    424,858.96x = 637,288.48 × 158,640.32
  4. Step 4: Simplify right side
    424,858.96x = 101,099,648,399.51
  5. Step 5: Solve for x
    x = 101,099,648,399.51/424,858.96
  6. Step 6: Final answer
    x = 237,960.49

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1.5x scale

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.