Home / 245,731.40-367,905.90-220,848.20

Finding the Fourth Proportional to 245,731.40, 367,905.90 and 220,848.20

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Solution

The fourth proportional to 245,731.40, 367,905.90 and 220,848.20 is: 330,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,731.40 : 367,905.90 = 220,848.20 : x
  2. Step 2: Convert to fraction form
    245,731.40/367,905.90 = 220,848.20/x
  3. Step 3: Cross multiply
    245,731.40x = 367,905.90 × 220,848.20
  4. Step 4: Simplify right side
    245,731.40x = 81,251,355,784.38
  5. Step 5: Solve for x
    x = 81,251,355,784.38/245,731.40
  6. Step 6: Final answer
    x = 330,651.09

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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.