Finding the Fourth Proportional to 151,965.24, 209,712.67 and 83,056.09
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Solution
The fourth proportional to 151,965.24, 209,712.67 and 83,056.09 is: 114,617.75
Step by Step Solution
- Step 1: Write the proportion equation
151,965.24 : 209,712.67 = 83,056.09 : x - Step 2: Convert to fraction form
151,965.24/209,712.67 = 83,056.09/x - Step 3: Cross multiply
151,965.24x = 209,712.67 × 83,056.09 - Step 4: Simplify right side
151,965.24x = 17,417,914,393.66 - Step 5: Solve for x
x = 17,417,914,393.66/151,965.24 - Step 6: Final answer
x = 114,617.75
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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.