Finding the Fourth Proportional to 438,788.92, 657,685.68 and 201,641.62
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Solution
The fourth proportional to 438,788.92, 657,685.68 and 201,641.62 is: 302,233.72
Step by Step Solution
- Step 1: Write the proportion equation
438,788.92 : 657,685.68 = 201,641.62 : x - Step 2: Convert to fraction form
438,788.92/657,685.68 = 201,641.62/x - Step 3: Cross multiply
438,788.92x = 657,685.68 × 201,641.62 - Step 4: Simplify right side
438,788.92x = 132,616,805,966.00 - Step 5: Solve for x
x = 132,616,805,966.00/438,788.92 - Step 6: Final answer
x = 302,233.72
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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.