Finding the Fourth Proportional to 178,788.91, 268,294.11 and 103,944.28
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Solution
The fourth proportional to 178,788.91, 268,294.11 and 103,944.28 is: 155,980.80
Step by Step Solution
- Step 1: Write the proportion equation
178,788.91 : 268,294.11 = 103,944.28 : x - Step 2: Convert to fraction form
178,788.91/268,294.11 = 103,944.28/x - Step 3: Cross multiply
178,788.91x = 268,294.11 × 103,944.28 - Step 4: Simplify right side
178,788.91x = 27,887,638,092.19 - Step 5: Solve for x
x = 27,887,638,092.19/178,788.91 - Step 6: Final answer
x = 155,980.80
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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.