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Finding the Fourth Proportional to 245,804.76, 368,714.16 and 133,538.76

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Solution

The fourth proportional to 245,804.76, 368,714.16 and 133,538.76 is: 200,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,804.76 : 368,714.16 = 133,538.76 : x
  2. Step 2: Convert to fraction form
    245,804.76/368,714.16 = 133,538.76/x
  3. Step 3: Cross multiply
    245,804.76x = 368,714.16 × 133,538.76
  4. Step 4: Simplify right side
    245,804.76x = 49,237,631,720.84
  5. Step 5: Solve for x
    x = 49,237,631,720.84/245,804.76
  6. Step 6: Final answer
    x = 200,311.95

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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.