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Finding the Fourth Proportional to 301,932.63, 452,808.51 and 99,491.25

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Solution

The fourth proportional to 301,932.63, 452,808.51 and 99,491.25 is: 149,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,932.63 : 452,808.51 = 99,491.25 : x
  2. Step 2: Convert to fraction form
    301,932.63/452,808.51 = 99,491.25/x
  3. Step 3: Cross multiply
    301,932.63x = 452,808.51 × 99,491.25
  4. Step 4: Simplify right side
    301,932.63x = 45,050,484,670.54
  5. Step 5: Solve for x
    x = 45,050,484,670.54/301,932.63
  6. Step 6: Final answer
    x = 149,207.08

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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.