Home / 439,922.40-659,818.80-124,411.20

Finding the Fourth Proportional to 439,922.40, 659,818.80 and 124,411.20

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Solution

The fourth proportional to 439,922.40, 659,818.80 and 124,411.20 is: 186,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,922.40 : 659,818.80 = 124,411.20 : x
  2. Step 2: Convert to fraction form
    439,922.40/659,818.80 = 124,411.20/x
  3. Step 3: Cross multiply
    439,922.40x = 659,818.80 × 124,411.20
  4. Step 4: Simplify right side
    439,922.40x = 82,088,848,690.56
  5. Step 5: Solve for x
    x = 82,088,848,690.56/439,922.40
  6. Step 6: Final answer
    x = 186,598.47

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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.