Finding the Fourth Proportional to 438,718.70, 657,640.65 and 201,647.90
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Solution
The fourth proportional to 438,718.70, 657,640.65 and 201,647.90 is: 302,270.81
Step by Step Solution
- Step 1: Write the proportion equation
438,718.70 : 657,640.65 = 201,647.90 : x - Step 2: Convert to fraction form
438,718.70/657,640.65 = 201,647.90/x - Step 3: Cross multiply
438,718.70x = 657,640.65 × 201,647.90 - Step 4: Simplify right side
438,718.70x = 132,611,856,027.14 - Step 5: Solve for x
x = 132,611,856,027.14/438,718.70 - Step 6: Final answer
x = 302,270.81
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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.