Finding the Fourth Proportional to 261,787.08, 361,298.36 and 154,366.68
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Solution
The fourth proportional to 261,787.08, 361,298.36 and 154,366.68 is: 213,045.00
Step by Step Solution
- Step 1: Write the proportion equation
261,787.08 : 361,298.36 = 154,366.68 : x - Step 2: Convert to fraction form
261,787.08/361,298.36 = 154,366.68/x - Step 3: Cross multiply
261,787.08x = 361,298.36 × 154,366.68 - Step 4: Simplify right side
261,787.08x = 55,772,428,322.64 - Step 5: Solve for x
x = 55,772,428,322.64/261,787.08 - Step 6: Final answer
x = 213,045.00
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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.