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Finding the Fourth Proportional to 450,323.84, 621,453.44 and 259,371.52

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Solution

The fourth proportional to 450,323.84, 621,453.44 and 259,371.52 is: 357,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,323.84 : 621,453.44 = 259,371.52 : x
  2. Step 2: Convert to fraction form
    450,323.84/621,453.44 = 259,371.52/x
  3. Step 3: Cross multiply
    450,323.84x = 621,453.44 × 259,371.52
  4. Step 4: Simplify right side
    450,323.84x = 161,187,323,342.03
  5. Step 5: Solve for x
    x = 161,187,323,342.03/450,323.84
  6. Step 6: Final answer
    x = 357,936.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.