Finding the Fourth Proportional to 135,014.04, 186,330.27 and 74,589.96
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Solution
The fourth proportional to 135,014.04, 186,330.27 and 74,589.96 is: 102,940.17
Step by Step Solution
- Step 1: Write the proportion equation
135,014.04 : 186,330.27 = 74,589.96 : x - Step 2: Convert to fraction form
135,014.04/186,330.27 = 74,589.96/x - Step 3: Cross multiply
135,014.04x = 186,330.27 × 74,589.96 - Step 4: Simplify right side
135,014.04x = 13,898,368,364.54 - Step 5: Solve for x
x = 13,898,368,364.54/135,014.04 - Step 6: Final answer
x = 102,940.17
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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.