Home / 279,701.93-385,975.24-158,827.25

Finding the Fourth Proportional to 279,701.93, 385,975.24 and 158,827.25

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Solution

The fourth proportional to 279,701.93, 385,975.24 and 158,827.25 is: 219,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,701.93 : 385,975.24 = 158,827.25 : x
  2. Step 2: Convert to fraction form
    279,701.93/385,975.24 = 158,827.25/x
  3. Step 3: Cross multiply
    279,701.93x = 385,975.24 × 158,827.25
  4. Step 4: Simplify right side
    279,701.93x = 61,303,385,937.29
  5. Step 5: Solve for x
    x = 61,303,385,937.29/279,701.93
  6. Step 6: Final answer
    x = 219,173.98

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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.