Finding the Fourth Proportional to 913,473.60, 1,370,296.80 and 248,625.60
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Solution
The fourth proportional to 913,473.60, 1,370,296.80 and 248,625.60 is: 372,961.92
Step by Step Solution
- Step 1: Write the proportion equation
913,473.60 : 1,370,296.80 = 248,625.60 : x - Step 2: Convert to fraction form
913,473.60/1,370,296.80 = 248,625.60/x - Step 3: Cross multiply
913,473.60x = 1,370,296.80 × 248,625.60 - Step 4: Simplify right side
913,473.60x = 340,690,864,078.08 - Step 5: Solve for x
x = 340,690,864,078.08/913,473.60 - Step 6: Final answer
x = 372,961.92
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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.