Home / 245,103.48-367,966.32-208,400.76

Finding the Fourth Proportional to 245,103.48, 367,966.32 and 208,400.76

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Solution

The fourth proportional to 245,103.48, 367,966.32 and 208,400.76 is: 312,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,103.48 : 367,966.32 = 208,400.76 : x
  2. Step 2: Convert to fraction form
    245,103.48/367,966.32 = 208,400.76/x
  3. Step 3: Cross multiply
    245,103.48x = 367,966.32 × 208,400.76
  4. Step 4: Simplify right side
    245,103.48x = 76,684,460,742.40
  5. Step 5: Solve for x
    x = 76,684,460,742.40/245,103.48
  6. Step 6: Final answer
    x = 312,865.65

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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.