Finding the Fourth Proportional to 481,236.93, 664,176.85 and 277,248.15
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Solution
The fourth proportional to 481,236.93, 664,176.85 and 277,248.15 is: 382,642.71
Step by Step Solution
- Step 1: Write the proportion equation
481,236.93 : 664,176.85 = 277,248.15 : x - Step 2: Convert to fraction form
481,236.93/664,176.85 = 277,248.15/x - Step 3: Cross multiply
481,236.93x = 664,176.85 × 277,248.15 - Step 4: Simplify right side
481,236.93x = 184,141,802,242.21 - Step 5: Solve for x
x = 184,141,802,242.21/481,236.93 - Step 6: Final answer
x = 382,642.71
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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.