Finding the Fourth Proportional to 212,944.18, 293,862.39 and 122,305.99
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Solution
The fourth proportional to 212,944.18, 293,862.39 and 122,305.99 is: 168,781.93
Step by Step Solution
- Step 1: Write the proportion equation
212,944.18 : 293,862.39 = 122,305.99 : x - Step 2: Convert to fraction form
212,944.18/293,862.39 = 122,305.99/x - Step 3: Cross multiply
212,944.18x = 293,862.39 × 122,305.99 - Step 4: Simplify right side
212,944.18x = 35,941,130,532.72 - Step 5: Solve for x
x = 35,941,130,532.72/212,944.18 - Step 6: Final answer
x = 168,781.93
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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.