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Finding the Fourth Proportional to 302,484.67, 453,795.28 and 100,080.32

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Solution

The fourth proportional to 302,484.67, 453,795.28 and 100,080.32 is: 150,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,484.67 : 453,795.28 = 100,080.32 : x
  2. Step 2: Convert to fraction form
    302,484.67/453,795.28 = 100,080.32/x
  3. Step 3: Cross multiply
    302,484.67x = 453,795.28 × 100,080.32
  4. Step 4: Simplify right side
    302,484.67x = 45,415,974,317.71
  5. Step 5: Solve for x
    x = 45,415,974,317.71/302,484.67
  6. Step 6: Final answer
    x = 150,143.06

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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.