Finding the Fourth Proportional to 186,261.76, 257,046.80 and 114,683.08
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Solution
The fourth proportional to 186,261.76, 257,046.80 and 114,683.08 is: 158,266.08
Step by Step Solution
- Step 1: Write the proportion equation
186,261.76 : 257,046.80 = 114,683.08 : x - Step 2: Convert to fraction form
186,261.76/257,046.80 = 114,683.08/x - Step 3: Cross multiply
186,261.76x = 257,046.80 × 114,683.08 - Step 4: Simplify right side
186,261.76x = 29,478,918,728.14 - Step 5: Solve for x
x = 29,478,918,728.14/186,261.76 - Step 6: Final answer
x = 158,266.08
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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.