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Finding the Fourth Proportional to 424,692, 637,292.39 and 158,639.49

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Solution

The fourth proportional to 424,692, 637,292.39 and 158,639.49 is: 238,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,692 : 637,292.39 = 158,639.49 : x
  2. Step 2: Convert to fraction form
    424,692/637,292.39 = 158,639.49/x
  3. Step 3: Cross multiply
    424,692x = 637,292.39 × 158,639.49
  4. Step 4: Simplify right side
    424,692x = 101,099,738,937.28
  5. Step 5: Solve for x
    x = 101,099,738,937.28/424,692
  6. Step 6: Final answer
    x = 238,054.26

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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.