Finding the Fourth Proportional to 615,409.36, 849,307.62 and 343,530.70
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Solution
The fourth proportional to 615,409.36, 849,307.62 and 343,530.70 is: 474,096.20
Step by Step Solution
- Step 1: Write the proportion equation
615,409.36 : 849,307.62 = 343,530.70 : x - Step 2: Convert to fraction form
615,409.36/849,307.62 = 343,530.70/x - Step 3: Cross multiply
615,409.36x = 849,307.62 × 343,530.70 - Step 4: Simplify right side
615,409.36x = 291,763,241,213.93 - Step 5: Solve for x
x = 291,763,241,213.93/615,409.36 - Step 6: Final answer
x = 474,096.20
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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.