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Finding the Fourth Proportional to 447,988.44, 671,970.38 and 195,268.77

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Solution

The fourth proportional to 447,988.44, 671,970.38 and 195,268.77 is: 292,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,988.44 : 671,970.38 = 195,268.77 : x
  2. Step 2: Convert to fraction form
    447,988.44/671,970.38 = 195,268.77/x
  3. Step 3: Cross multiply
    447,988.44x = 671,970.38 × 195,268.77
  4. Step 4: Simplify right side
    447,988.44x = 131,214,828,602.69
  5. Step 5: Solve for x
    x = 131,214,828,602.69/447,988.44
  6. Step 6: Final answer
    x = 292,897.80

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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.