Home / 238,424.90-328,889.48-148,845.38

Finding the Fourth Proportional to 238,424.90, 328,889.48 and 148,845.38

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Solution

The fourth proportional to 238,424.90, 328,889.48 and 148,845.38 is: 205,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,424.90 : 328,889.48 = 148,845.38 : x
  2. Step 2: Convert to fraction form
    238,424.90/328,889.48 = 148,845.38/x
  3. Step 3: Cross multiply
    238,424.90x = 328,889.48 × 148,845.38
  4. Step 4: Simplify right side
    238,424.90x = 48,953,679,628.60
  5. Step 5: Solve for x
    x = 48,953,679,628.60/238,424.90
  6. Step 6: Final answer
    x = 205,321.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.