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Finding the Fourth Proportional to 245,314.56, 368,671.68 and 120,743.04

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Solution

The fourth proportional to 245,314.56, 368,671.68 and 120,743.04 is: 181,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,314.56 : 368,671.68 = 120,743.04 : x
  2. Step 2: Convert to fraction form
    245,314.56/368,671.68 = 120,743.04/x
  3. Step 3: Cross multiply
    245,314.56x = 368,671.68 × 120,743.04
  4. Step 4: Simplify right side
    245,314.56x = 44,514,539,405.11
  5. Step 5: Solve for x
    x = 44,514,539,405.11/245,314.56
  6. Step 6: Final answer
    x = 181,459.02

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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.