Home / 238,330.27-328,895.94-130,905.64

Finding the Fourth Proportional to 238,330.27, 328,895.94 and 130,905.64

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Solution

The fourth proportional to 238,330.27, 328,895.94 and 130,905.64 is: 180,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,330.27 : 328,895.94 = 130,905.64 : x
  2. Step 2: Convert to fraction form
    238,330.27/328,895.94 = 130,905.64/x
  3. Step 3: Cross multiply
    238,330.27x = 328,895.94 × 130,905.64
  4. Step 4: Simplify right side
    238,330.27x = 43,054,333,519.10
  5. Step 5: Solve for x
    x = 43,054,333,519.10/238,330.27
  6. Step 6: Final answer
    x = 180,649.88

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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.