Finding the Fourth Proportional to 194,167.94, 291,356.54 and 81,925.95
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Solution
The fourth proportional to 194,167.94, 291,356.54 and 81,925.95 is: 122,933.07
Step by Step Solution
- Step 1: Write the proportion equation
194,167.94 : 291,356.54 = 81,925.95 : x - Step 2: Convert to fraction form
194,167.94/291,356.54 = 81,925.95/x - Step 3: Cross multiply
194,167.94x = 291,356.54 × 81,925.95 - Step 4: Simplify right side
194,167.94x = 23,869,661,328.21 - Step 5: Solve for x
x = 23,869,661,328.21/194,167.94 - Step 6: Final answer
x = 122,933.07
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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.