Home / 439,479.36-659,219.04-158,931

Finding the Fourth Proportional to 439,479.36, 659,219.04 and 158,931

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Solution

The fourth proportional to 439,479.36, 659,219.04 and 158,931 is: 238,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,479.36 : 659,219.04 = 158,931 : x
  2. Step 2: Convert to fraction form
    439,479.36/659,219.04 = 158,931/x
  3. Step 3: Cross multiply
    439,479.36x = 659,219.04 × 158,931
  4. Step 4: Simplify right side
    439,479.36x = 104,770,341,246.24
  5. Step 5: Solve for x
    x = 104,770,341,246.24/439,479.36
  6. Step 6: Final answer
    x = 238,396.50

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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.