Home / 245,835.10-368,493.45-140,427.10

Finding the Fourth Proportional to 245,835.10, 368,493.45 and 140,427.10

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Solution

The fourth proportional to 245,835.10, 368,493.45 and 140,427.10 is: 210,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,835.10 : 368,493.45 = 140,427.10 : x
  2. Step 2: Convert to fraction form
    245,835.10/368,493.45 = 140,427.10/x
  3. Step 3: Cross multiply
    245,835.10x = 368,493.45 × 140,427.10
  4. Step 4: Simplify right side
    245,835.10x = 51,746,466,552.50
  5. Step 5: Solve for x
    x = 51,746,466,552.50/245,835.10
  6. Step 6: Final answer
    x = 210,492.59

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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.