Home / 300,977.16-451,484.10-101,280.66

Finding the Fourth Proportional to 300,977.16, 451,484.10 and 101,280.66

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Solution

The fourth proportional to 300,977.16, 451,484.10 and 101,280.66 is: 151,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,977.16 : 451,484.10 = 101,280.66 : x
  2. Step 2: Convert to fraction form
    300,977.16/451,484.10 = 101,280.66/x
  3. Step 3: Cross multiply
    300,977.16x = 451,484.10 × 101,280.66
  4. Step 4: Simplify right side
    300,977.16x = 45,726,607,627.51
  5. Step 5: Solve for x
    x = 45,726,607,627.51/300,977.16
  6. Step 6: Final answer
    x = 151,927.17

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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.