Home / 319,895.80-479,558.52-162,043

Finding the Fourth Proportional to 319,895.80, 479,558.52 and 162,043

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Solution

The fourth proportional to 319,895.80, 479,558.52 and 162,043 is: 242,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,895.80 : 479,558.52 = 162,043 : x
  2. Step 2: Convert to fraction form
    319,895.80/479,558.52 = 162,043/x
  3. Step 3: Cross multiply
    319,895.80x = 479,558.52 × 162,043
  4. Step 4: Simplify right side
    319,895.80x = 77,709,101,256.36
  5. Step 5: Solve for x
    x = 77,709,101,256.36/319,895.80
  6. Step 6: Final answer
    x = 242,920.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.