Home / 279,211.24-385,338.18-171,852.04

Finding the Fourth Proportional to 279,211.24, 385,338.18 and 171,852.04

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Solution

The fourth proportional to 279,211.24, 385,338.18 and 171,852.04 is: 237,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,211.24 : 385,338.18 = 171,852.04 : x
  2. Step 2: Convert to fraction form
    279,211.24/385,338.18 = 171,852.04/x
  3. Step 3: Cross multiply
    279,211.24x = 385,338.18 × 171,852.04
  4. Step 4: Simplify right side
    279,211.24x = 66,221,152,322.89
  5. Step 5: Solve for x
    x = 66,221,152,322.89/279,211.24
  6. Step 6: Final answer
    x = 237,172.23

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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.