Home / 238,783.13-329,518.34-131,353.28

Finding the Fourth Proportional to 238,783.13, 329,518.34 and 131,353.28

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Solution

The fourth proportional to 238,783.13, 329,518.34 and 131,353.28 is: 181,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,783.13 : 329,518.34 = 131,353.28 : x
  2. Step 2: Convert to fraction form
    238,783.13/329,518.34 = 131,353.28/x
  3. Step 3: Cross multiply
    238,783.13x = 329,518.34 × 131,353.28
  4. Step 4: Simplify right side
    238,783.13x = 43,283,314,779.16
  5. Step 5: Solve for x
    x = 43,283,314,779.16/238,783.13
  6. Step 6: Final answer
    x = 181,266.22

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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.