Finding the Fourth Proportional to 186,803.58, 257,787.63 and 106,231.08
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Solution
The fourth proportional to 186,803.58, 257,787.63 and 106,231.08 is: 146,598.15
Step by Step Solution
- Step 1: Write the proportion equation
186,803.58 : 257,787.63 = 106,231.08 : x - Step 2: Convert to fraction form
186,803.58/257,787.63 = 106,231.08/x - Step 3: Cross multiply
186,803.58x = 257,787.63 × 106,231.08 - Step 4: Simplify right side
186,803.58x = 27,385,058,345.54 - Step 5: Solve for x
x = 27,385,058,345.54/186,803.58 - Step 6: Final answer
x = 146,598.15
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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.