Home / 238,423.90-328,888.10-148,844.38

Finding the Fourth Proportional to 238,423.90, 328,888.10 and 148,844.38

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Solution

The fourth proportional to 238,423.90, 328,888.10 and 148,844.38 is: 205,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,423.90 : 328,888.10 = 148,844.38 : x
  2. Step 2: Convert to fraction form
    238,423.90/328,888.10 = 148,844.38/x
  3. Step 3: Cross multiply
    238,423.90x = 328,888.10 × 148,844.38
  4. Step 4: Simplify right side
    238,423.90x = 48,953,145,333.88
  5. Step 5: Solve for x
    x = 48,953,145,333.88/238,423.90
  6. Step 6: Final answer
    x = 205,319.79

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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.