Finding the Fourth Proportional to 438,714.70, 657,634.65 and 201,643.90
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Solution
The fourth proportional to 438,714.70, 657,634.65 and 201,643.90 is: 302,264.81
Step by Step Solution
- Step 1: Write the proportion equation
438,714.70 : 657,634.65 = 201,643.90 : x - Step 2: Convert to fraction form
438,714.70/657,634.65 = 201,643.90/x - Step 3: Cross multiply
438,714.70x = 657,634.65 × 201,643.90 - Step 4: Simplify right side
438,714.70x = 132,608,015,601.14 - Step 5: Solve for x
x = 132,608,015,601.14/438,714.70 - Step 6: Final answer
x = 302,264.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.