Finding the Fourth Proportional to 475,549.65, 656,305.47 and 271,631.07
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Solution
The fourth proportional to 475,549.65, 656,305.47 and 271,631.07 is: 374,877.70
Step by Step Solution
- Step 1: Write the proportion equation
475,549.65 : 656,305.47 = 271,631.07 : x - Step 2: Convert to fraction form
475,549.65/656,305.47 = 271,631.07/x - Step 3: Cross multiply
475,549.65x = 656,305.47 × 271,631.07 - Step 4: Simplify right side
475,549.65x = 178,272,957,062.95 - Step 5: Solve for x
x = 178,272,957,062.95/475,549.65 - Step 6: Final answer
x = 374,877.70
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1.5x scale
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.