Home / 439,547.58-659,284.92-140,016.06

Finding the Fourth Proportional to 439,547.58, 659,284.92 and 140,016.06

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Solution

The fourth proportional to 439,547.58, 659,284.92 and 140,016.06 is: 210,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,547.58 : 659,284.92 = 140,016.06 : x
  2. Step 2: Convert to fraction form
    439,547.58/659,284.92 = 140,016.06/x
  3. Step 3: Cross multiply
    439,547.58x = 659,284.92 × 140,016.06
  4. Step 4: Simplify right side
    439,547.58x = 92,310,476,915.82
  5. Step 5: Solve for x
    x = 92,310,476,915.82/439,547.58
  6. Step 6: Final answer
    x = 210,012.48

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1.5x scale

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.