Home / 439,516.26-659,056.30-139,957.81

Finding the Fourth Proportional to 439,516.26, 659,056.30 and 139,957.81

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Solution

The fourth proportional to 439,516.26, 659,056.30 and 139,957.81 is: 209,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,516.26 : 659,056.30 = 139,957.81 : x
  2. Step 2: Convert to fraction form
    439,516.26/659,056.30 = 139,957.81/x
  3. Step 3: Cross multiply
    439,516.26x = 659,056.30 × 139,957.81
  4. Step 4: Simplify right side
    439,516.26x = 92,240,074,417.17
  5. Step 5: Solve for x
    x = 92,240,074,417.17/439,516.26
  6. Step 6: Final answer
    x = 209,867.26

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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.