Home / 238,331.30-328,899.89-130,903.83

Finding the Fourth Proportional to 238,331.30, 328,899.89 and 130,903.83

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Solution

The fourth proportional to 238,331.30, 328,899.89 and 130,903.83 is: 180,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,331.30 : 328,899.89 = 130,903.83 : x
  2. Step 2: Convert to fraction form
    238,331.30/328,899.89 = 130,903.83/x
  3. Step 3: Cross multiply
    238,331.30x = 328,899.89 × 130,903.83
  4. Step 4: Simplify right side
    238,331.30x = 43,054,255,614.84
  5. Step 5: Solve for x
    x = 43,054,255,614.84/238,331.30
  6. Step 6: Final answer
    x = 180,648.77

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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.