Finding the Fourth Proportional to 248,611.74, 343,108.98 and 151,810.26
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Solution
The fourth proportional to 248,611.74, 343,108.98 and 151,810.26 is: 209,513.29
Step by Step Solution
- Step 1: Write the proportion equation
248,611.74 : 343,108.98 = 151,810.26 : x - Step 2: Convert to fraction form
248,611.74/343,108.98 = 151,810.26/x - Step 3: Cross multiply
248,611.74x = 343,108.98 × 151,810.26 - Step 4: Simplify right side
248,611.74x = 52,087,463,462.13 - Step 5: Solve for x
x = 52,087,463,462.13/248,611.74 - Step 6: Final answer
x = 209,513.29
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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.