Finding the Fourth Proportional to 262,269.84, 393,203.16 and 135,774.48
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Solution
The fourth proportional to 262,269.84, 393,203.16 and 135,774.48 is: 203,557.35
Step by Step Solution
- Step 1: Write the proportion equation
262,269.84 : 393,203.16 = 135,774.48 : x - Step 2: Convert to fraction form
262,269.84/393,203.16 = 135,774.48/x - Step 3: Cross multiply
262,269.84x = 393,203.16 × 135,774.48 - Step 4: Simplify right side
262,269.84x = 53,386,954,583.36 - Step 5: Solve for x
x = 53,386,954,583.36/262,269.84 - Step 6: Final answer
x = 203,557.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.