Finding the Fourth Proportional to 242,537.76, 334,712.19 and 135,107.76
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Solution
The fourth proportional to 242,537.76, 334,712.19 and 135,107.76 is: 186,454.32
Step by Step Solution
- Step 1: Write the proportion equation
242,537.76 : 334,712.19 = 135,107.76 : x - Step 2: Convert to fraction form
242,537.76/334,712.19 = 135,107.76/x - Step 3: Cross multiply
242,537.76x = 334,712.19 × 135,107.76 - Step 4: Simplify right side
242,537.76x = 45,222,214,235.59 - Step 5: Solve for x
x = 45,222,214,235.59/242,537.76 - Step 6: Final answer
x = 186,454.32
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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.