Finding the Fourth Proportional to 178,858.84, 246,820.08 and 101,327.26
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Solution
The fourth proportional to 178,858.84, 246,820.08 and 101,327.26 is: 139,828.72
Step by Step Solution
- Step 1: Write the proportion equation
178,858.84 : 246,820.08 = 101,327.26 : x - Step 2: Convert to fraction form
178,858.84/246,820.08 = 101,327.26/x - Step 3: Cross multiply
178,858.84x = 246,820.08 × 101,327.26 - Step 4: Simplify right side
178,858.84x = 25,009,602,419.38 - Step 5: Solve for x
x = 25,009,602,419.38/178,858.84 - Step 6: Final answer
x = 139,828.72
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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.