Finding the Fourth Proportional to 306,718.24, 460,171.25 and 157,064.48
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Solution
The fourth proportional to 306,718.24, 460,171.25 and 157,064.48 is: 235,644.80
Step by Step Solution
- Step 1: Write the proportion equation
306,718.24 : 460,171.25 = 157,064.48 : x - Step 2: Convert to fraction form
306,718.24/460,171.25 = 157,064.48/x - Step 3: Cross multiply
306,718.24x = 460,171.25 × 157,064.48 - Step 4: Simplify right side
306,718.24x = 72,276,557,306.88 - Step 5: Solve for x
x = 72,276,557,306.88/306,718.24 - Step 6: Final answer
x = 235,644.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.