Home / 260,017.35-358,990.70-212,385.03

Finding the Fourth Proportional to 260,017.35, 358,990.70 and 212,385.03

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Solution

The fourth proportional to 260,017.35, 358,990.70 and 212,385.03 is: 293,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,017.35 : 358,990.70 = 212,385.03 : x
  2. Step 2: Convert to fraction form
    260,017.35/358,990.70 = 212,385.03/x
  3. Step 3: Cross multiply
    260,017.35x = 358,990.70 × 212,385.03
  4. Step 4: Simplify right side
    260,017.35x = 76,244,249,527.30
  5. Step 5: Solve for x
    x = 76,244,249,527.30/260,017.35
  6. Step 6: Final answer
    x = 293,227.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.