Finding the Fourth Proportional to 178,554.84, 246,442.14 and 103,093.08
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Solution
The fourth proportional to 178,554.84, 246,442.14 and 103,093.08 is: 142,289.50
Step by Step Solution
- Step 1: Write the proportion equation
178,554.84 : 246,442.14 = 103,093.08 : x - Step 2: Convert to fraction form
178,554.84/246,442.14 = 103,093.08/x - Step 3: Cross multiply
178,554.84x = 246,442.14 × 103,093.08 - Step 4: Simplify right side
178,554.84x = 25,406,479,254.39 - Step 5: Solve for x
x = 25,406,479,254.39/178,554.84 - Step 6: Final answer
x = 142,289.50
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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.