Home / 245,855.10-368,523.45-140,447.10

Finding the Fourth Proportional to 245,855.10, 368,523.45 and 140,447.10

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Solution

The fourth proportional to 245,855.10, 368,523.45 and 140,447.10 is: 210,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,855.10 : 368,523.45 = 140,447.10 : x
  2. Step 2: Convert to fraction form
    245,855.10/368,523.45 = 140,447.10/x
  3. Step 3: Cross multiply
    245,855.10x = 368,523.45 × 140,447.10
  4. Step 4: Simplify right side
    245,855.10x = 51,758,049,834.50
  5. Step 5: Solve for x
    x = 51,758,049,834.50/245,855.10
  6. Step 6: Final answer
    x = 210,522.58

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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.