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Finding the Fourth Proportional to 500,348.94, 750,564.72 and 163,382.10

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Solution

The fourth proportional to 500,348.94, 750,564.72 and 163,382.10 is: 245,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,348.94 : 750,564.72 = 163,382.10 : x
  2. Step 2: Convert to fraction form
    500,348.94/750,564.72 = 163,382.10/x
  3. Step 3: Cross multiply
    500,348.94x = 750,564.72 × 163,382.10
  4. Step 4: Simplify right side
    500,348.94x = 122,628,840,139.51
  5. Step 5: Solve for x
    x = 122,628,840,139.51/500,348.94
  6. Step 6: Final answer
    x = 245,086.64

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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.