Finding the Fourth Proportional to 438,769.88, 657,657.27 and 201,622.53
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Solution
The fourth proportional to 438,769.88, 657,657.27 and 201,622.53 is: 302,205.17
Step by Step Solution
- Step 1: Write the proportion equation
438,769.88 : 657,657.27 = 201,622.53 : x - Step 2: Convert to fraction form
438,769.88/657,657.27 = 201,622.53/x - Step 3: Cross multiply
438,769.88x = 657,657.27 × 201,622.53 - Step 4: Simplify right side
438,769.88x = 132,598,522,650.29 - Step 5: Solve for x
x = 132,598,522,650.29/438,769.88 - Step 6: Final answer
x = 302,205.17
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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.