Home / 479,255.16-718,988.58-142,323.24

Finding the Fourth Proportional to 479,255.16, 718,988.58 and 142,323.24

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Solution

The fourth proportional to 479,255.16, 718,988.58 and 142,323.24 is: 213,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,255.16 : 718,988.58 = 142,323.24 : x
  2. Step 2: Convert to fraction form
    479,255.16/718,988.58 = 142,323.24/x
  3. Step 3: Cross multiply
    479,255.16x = 718,988.58 × 142,323.24
  4. Step 4: Simplify right side
    479,255.16x = 102,328,784,228.60
  5. Step 5: Solve for x
    x = 102,328,784,228.60/479,255.16
  6. Step 6: Final answer
    x = 213,516.29

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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.