Finding the Fourth Proportional to 539,687.70, 809,383.80 and 202,702.32
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Solution
The fourth proportional to 539,687.70, 809,383.80 and 202,702.32 is: 303,997.99
Step by Step Solution
- Step 1: Write the proportion equation
539,687.70 : 809,383.80 = 202,702.32 : x - Step 2: Convert to fraction form
539,687.70/809,383.80 = 202,702.32/x - Step 3: Cross multiply
539,687.70x = 809,383.80 × 202,702.32 - Step 4: Simplify right side
539,687.70x = 164,063,974,030.42 - Step 5: Solve for x
x = 164,063,974,030.42/539,687.70 - Step 6: Final answer
x = 303,997.99
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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.