Finding the Fourth Proportional to 868,902.24, 1,303,033.68 and 300,138.60
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Solution
The fourth proportional to 868,902.24, 1,303,033.68 and 300,138.60 is: 450,097.48
Step by Step Solution
- Step 1: Write the proportion equation
868,902.24 : 1,303,033.68 = 300,138.60 : x - Step 2: Convert to fraction form
868,902.24/1,303,033.68 = 300,138.60/x - Step 3: Cross multiply
868,902.24x = 1,303,033.68 × 300,138.60 - Step 4: Simplify right side
868,902.24x = 391,090,704,468.05 - Step 5: Solve for x
x = 391,090,704,468.05/868,902.24 - Step 6: Final answer
x = 450,097.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.