Finding the Fourth Proportional to 248,122.10, 372,183.15 and 153,643.70
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Solution
The fourth proportional to 248,122.10, 372,183.15 and 153,643.70 is: 230,465.55
Step by Step Solution
- Step 1: Write the proportion equation
248,122.10 : 372,183.15 = 153,643.70 : x - Step 2: Convert to fraction form
248,122.10/372,183.15 = 153,643.70/x - Step 3: Cross multiply
248,122.10x = 372,183.15 × 153,643.70 - Step 4: Simplify right side
248,122.10x = 57,183,596,243.66 - Step 5: Solve for x
x = 57,183,596,243.66/248,122.10 - Step 6: Final answer
x = 230,465.55
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1.5x scale
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.