Finding the Fourth Proportional to 726,655.08, 1,090,157.66 and 228,019.08
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Solution
The fourth proportional to 726,655.08, 1,090,157.66 and 228,019.08 is: 342,083.55
Step by Step Solution
- Step 1: Write the proportion equation
726,655.08 : 1,090,157.66 = 228,019.08 : x - Step 2: Convert to fraction form
726,655.08/1,090,157.66 = 228,019.08/x - Step 3: Cross multiply
726,655.08x = 1,090,157.66 × 228,019.08 - Step 4: Simplify right side
726,655.08x = 248,576,746,688.15 - Step 5: Solve for x
x = 248,576,746,688.15/726,655.08 - Step 6: Final answer
x = 342,083.55
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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.