Finding the Fourth Proportional to 194,569.58, 268,486.34 and 143,610.14
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Solution
The fourth proportional to 194,569.58, 268,486.34 and 143,610.14 is: 198,167.47
Step by Step Solution
- Step 1: Write the proportion equation
194,569.58 : 268,486.34 = 143,610.14 : x - Step 2: Convert to fraction form
194,569.58/268,486.34 = 143,610.14/x - Step 3: Cross multiply
194,569.58x = 268,486.34 × 143,610.14 - Step 4: Simplify right side
194,569.58x = 38,557,360,875.49 - Step 5: Solve for x
x = 38,557,360,875.49/194,569.58 - Step 6: Final answer
x = 198,167.47
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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.