Finding the Fourth Proportional to 194,258.31, 291,407.67 and 74,314.99
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Solution
The fourth proportional to 194,258.31, 291,407.67 and 74,314.99 is: 111,480.21
Step by Step Solution
- Step 1: Write the proportion equation
194,258.31 : 291,407.67 = 74,314.99 : x - Step 2: Convert to fraction form
194,258.31/291,407.67 = 74,314.99/x - Step 3: Cross multiply
194,258.31x = 291,407.67 × 74,314.99 - Step 4: Simplify right side
194,258.31x = 21,655,957,710.40 - Step 5: Solve for x
x = 21,655,957,710.40/194,258.31 - Step 6: Final answer
x = 111,480.21
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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.