Finding the Fourth Proportional to 615,586.68, 849,552.39 and 343,708.02
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Solution
The fourth proportional to 615,586.68, 849,552.39 and 343,708.02 is: 474,340.95
Step by Step Solution
- Step 1: Write the proportion equation
615,586.68 : 849,552.39 = 343,708.02 : x - Step 2: Convert to fraction form
615,586.68/849,552.39 = 343,708.02/x - Step 3: Cross multiply
615,586.68x = 849,552.39 × 343,708.02 - Step 4: Simplify right side
615,586.68x = 291,997,969,853.17 - Step 5: Solve for x
x = 291,997,969,853.17/615,586.68 - Step 6: Final answer
x = 474,340.95
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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.