Finding the Fourth Proportional to 460,686.21, 635,718.99 and 253,945.53
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Solution
The fourth proportional to 460,686.21, 635,718.99 and 253,945.53 is: 350,429.41
Step by Step Solution
- Step 1: Write the proportion equation
460,686.21 : 635,718.99 = 253,945.53 : x - Step 2: Convert to fraction form
460,686.21/635,718.99 = 253,945.53/x - Step 3: Cross multiply
460,686.21x = 635,718.99 × 253,945.53 - Step 4: Simplify right side
460,686.21x = 161,437,995,846.62 - Step 5: Solve for x
x = 161,437,995,846.62/460,686.21 - Step 6: Final answer
x = 350,429.41
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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.