Home / 245,062.20-367,809.30-145,097.40

Finding the Fourth Proportional to 245,062.20, 367,809.30 and 145,097.40

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Solution

The fourth proportional to 245,062.20, 367,809.30 and 145,097.40 is: 217,773.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,062.20 : 367,809.30 = 145,097.40 : x
  2. Step 2: Convert to fraction form
    245,062.20/367,809.30 = 145,097.40/x
  3. Step 3: Cross multiply
    245,062.20x = 367,809.30 × 145,097.40
  4. Step 4: Simplify right side
    245,062.20x = 53,368,173,125.82
  5. Step 5: Solve for x
    x = 53,368,173,125.82/245,062.20
  6. Step 6: Final answer
    x = 217,773.99

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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.