Finding the Fourth Proportional to 242,386.92, 334,475.68 and 134,936.19
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Solution
The fourth proportional to 242,386.92, 334,475.68 and 134,936.19 is: 186,201.77
Step by Step Solution
- Step 1: Write the proportion equation
242,386.92 : 334,475.68 = 134,936.19 : x - Step 2: Convert to fraction form
242,386.92/334,475.68 = 134,936.19/x - Step 3: Cross multiply
242,386.92x = 334,475.68 × 134,936.19 - Step 4: Simplify right side
242,386.92x = 45,132,874,292.88 - Step 5: Solve for x
x = 45,132,874,292.88/242,386.92 - Step 6: Final answer
x = 186,201.77
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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.