Home / 439,570.08-659,318.67-140,038.56

Finding the Fourth Proportional to 439,570.08, 659,318.67 and 140,038.56

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Solution

The fourth proportional to 439,570.08, 659,318.67 and 140,038.56 is: 210,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,570.08 : 659,318.67 = 140,038.56 : x
  2. Step 2: Convert to fraction form
    439,570.08/659,318.67 = 140,038.56/x
  3. Step 3: Cross multiply
    439,570.08x = 659,318.67 × 140,038.56
  4. Step 4: Simplify right side
    439,570.08x = 92,330,037,127.92
  5. Step 5: Solve for x
    x = 92,330,037,127.92/439,570.08
  6. Step 6: Final answer
    x = 210,046.23

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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.