Finding the Fourth Proportional to 386,631.01, 533,549.68 and 214,574.94
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Solution
The fourth proportional to 386,631.01, 533,549.68 and 214,574.94 is: 296,112.80
Step by Step Solution
- Step 1: Write the proportion equation
386,631.01 : 533,549.68 = 214,574.94 : x - Step 2: Convert to fraction form
386,631.01/533,549.68 = 214,574.94/x - Step 3: Cross multiply
386,631.01x = 533,549.68 × 214,574.94 - Step 4: Simplify right side
386,631.01x = 114,486,390,573.02 - Step 5: Solve for x
x = 114,486,390,573.02/386,631.01 - Step 6: Final answer
x = 296,112.80
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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.