Home / 279,376.56-385,538.40-152,051.04

Finding the Fourth Proportional to 279,376.56, 385,538.40 and 152,051.04

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Solution

The fourth proportional to 279,376.56, 385,538.40 and 152,051.04 is: 209,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,376.56 : 385,538.40 = 152,051.04 : x
  2. Step 2: Convert to fraction form
    279,376.56/385,538.40 = 152,051.04/x
  3. Step 3: Cross multiply
    279,376.56x = 385,538.40 × 152,051.04
  4. Step 4: Simplify right side
    279,376.56x = 58,621,514,679.94
  5. Step 5: Solve for x
    x = 58,621,514,679.94/279,376.56
  6. Step 6: Final answer
    x = 209,829.75

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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.