Finding the Fourth Proportional to 615,543.84, 849,476.16 and 343,626.84
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Solution
The fourth proportional to 615,543.84, 849,476.16 and 343,626.84 is: 474,219.36
Step by Step Solution
- Step 1: Write the proportion equation
615,543.84 : 849,476.16 = 343,626.84 : x - Step 2: Convert to fraction form
615,543.84/849,476.16 = 343,626.84/x - Step 3: Cross multiply
615,543.84x = 849,476.16 × 343,626.84 - Step 4: Simplify right side
615,543.84x = 291,902,808,516.13 - Step 5: Solve for x
x = 291,902,808,516.13/615,543.84 - Step 6: Final answer
x = 474,219.36
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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.