Finding the Fourth Proportional to 306,817.44, 423,322.92 and 197,875.68
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Solution
The fourth proportional to 306,817.44, 423,322.92 and 197,875.68 is: 273,013.52
Step by Step Solution
- Step 1: Write the proportion equation
306,817.44 : 423,322.92 = 197,875.68 : x - Step 2: Convert to fraction form
306,817.44/423,322.92 = 197,875.68/x - Step 3: Cross multiply
306,817.44x = 423,322.92 × 197,875.68 - Step 4: Simplify right side
306,817.44x = 83,765,310,654.59 - Step 5: Solve for x
x = 83,765,310,654.59/306,817.44 - Step 6: Final answer
x = 273,013.52
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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.