Finding the Fourth Proportional to 145,743.08, 201,218.31 and 118,949.50
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Solution
The fourth proportional to 145,743.08, 201,218.31 and 118,949.50 is: 164,226.09
Step by Step Solution
- Step 1: Write the proportion equation
145,743.08 : 201,218.31 = 118,949.50 : x - Step 2: Convert to fraction form
145,743.08/201,218.31 = 118,949.50/x - Step 3: Cross multiply
145,743.08x = 201,218.31 × 118,949.50 - Step 4: Simplify right side
145,743.08x = 23,934,816,359.25 - Step 5: Solve for x
x = 23,934,816,359.25/145,743.08 - Step 6: Final answer
x = 164,226.09
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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.