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Finding the Fourth Proportional to 248,671.92, 373,118.14 and 130,315.13

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Solution

The fourth proportional to 248,671.92, 373,118.14 and 130,315.13 is: 195,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,671.92 : 373,118.14 = 130,315.13 : x
  2. Step 2: Convert to fraction form
    248,671.92/373,118.14 = 130,315.13/x
  3. Step 3: Cross multiply
    248,671.92x = 373,118.14 × 130,315.13
  4. Step 4: Simplify right side
    248,671.92x = 48,622,937,053.87
  5. Step 5: Solve for x
    x = 48,622,937,053.87/248,671.92
  6. Step 6: Final answer
    x = 195,530.47

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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.