Finding the Fourth Proportional to 242,316.62, 334,406.76 and 134,879.84
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Solution
The fourth proportional to 242,316.62, 334,406.76 and 134,879.84 is: 186,139.65
Step by Step Solution
- Step 1: Write the proportion equation
242,316.62 : 334,406.76 = 134,879.84 : x - Step 2: Convert to fraction form
242,316.62/334,406.76 = 134,879.84/x - Step 3: Cross multiply
242,316.62x = 334,406.76 × 134,879.84 - Step 4: Simplify right side
242,316.62x = 45,104,730,283.72 - Step 5: Solve for x
x = 45,104,730,283.72/242,316.62 - Step 6: Final answer
x = 186,139.65
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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.