Home / 370,725.32-556,002.66-221,007.80

Finding the Fourth Proportional to 370,725.32, 556,002.66 and 221,007.80

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Solution

The fourth proportional to 370,725.32, 556,002.66 and 221,007.80 is: 331,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,725.32 : 556,002.66 = 221,007.80 : x
  2. Step 2: Convert to fraction form
    370,725.32/556,002.66 = 221,007.80/x
  3. Step 3: Cross multiply
    370,725.32x = 556,002.66 × 221,007.80
  4. Step 4: Simplify right side
    370,725.32x = 122,880,924,680.75
  5. Step 5: Solve for x
    x = 122,880,924,680.75/370,725.32
  6. Step 6: Final answer
    x = 331,460.84

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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.