Home / 370,846.20-556,415.10-146,168.40

Finding the Fourth Proportional to 370,846.20, 556,415.10 and 146,168.40

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Solution

The fourth proportional to 370,846.20, 556,415.10 and 146,168.40 is: 219,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,846.20 : 556,415.10 = 146,168.40 : x
  2. Step 2: Convert to fraction form
    370,846.20/556,415.10 = 146,168.40/x
  3. Step 3: Cross multiply
    370,846.20x = 556,415.10 × 146,168.40
  4. Step 4: Simplify right side
    370,846.20x = 81,330,304,902.84
  5. Step 5: Solve for x
    x = 81,330,304,902.84/370,846.20
  6. Step 6: Final answer
    x = 219,310.07

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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.