Finding the Fourth Proportional to 298,398.83, 447,602.96 and 166,119.84
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Solution
The fourth proportional to 298,398.83, 447,602.96 and 166,119.84 is: 249,182.39
Step by Step Solution
- Step 1: Write the proportion equation
298,398.83 : 447,602.96 = 166,119.84 : x - Step 2: Convert to fraction form
298,398.83/447,602.96 = 166,119.84/x - Step 3: Cross multiply
298,398.83x = 447,602.96 × 166,119.84 - Step 4: Simplify right side
298,398.83x = 74,355,731,268.13 - Step 5: Solve for x
x = 74,355,731,268.13/298,398.83 - Step 6: Final answer
x = 249,182.39
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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.