Finding the Fourth Proportional to 615,095.95, 848,832.94 and 343,163.90
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Solution
The fourth proportional to 615,095.95, 848,832.94 and 343,163.90 is: 473,566.48
Step by Step Solution
- Step 1: Write the proportion equation
615,095.95 : 848,832.94 = 343,163.90 : x - Step 2: Convert to fraction form
615,095.95/848,832.94 = 343,163.90/x - Step 3: Cross multiply
615,095.95x = 848,832.94 × 343,163.90 - Step 4: Simplify right side
615,095.95x = 291,288,822,138.87 - Step 5: Solve for x
x = 291,288,822,138.87/615,095.95 - Step 6: Final answer
x = 473,566.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.