Home / 282,743.53-390,186.08-161,924.79

Finding the Fourth Proportional to 282,743.53, 390,186.08 and 161,924.79

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Solution

The fourth proportional to 282,743.53, 390,186.08 and 161,924.79 is: 223,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,743.53 : 390,186.08 = 161,924.79 : x
  2. Step 2: Convert to fraction form
    282,743.53/390,186.08 = 161,924.79/x
  3. Step 3: Cross multiply
    282,743.53x = 390,186.08 × 161,924.79
  4. Step 4: Simplify right side
    282,743.53x = 63,180,799,718.50
  5. Step 5: Solve for x
    x = 63,180,799,718.50/282,743.53
  6. Step 6: Final answer
    x = 223,456.22

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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.