Finding the Fourth Proportional to 258,116.32, 386,551.44 and 155,237.80
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Solution
The fourth proportional to 258,116.32, 386,551.44 and 155,237.80 is: 232,481.99
Step by Step Solution
- Step 1: Write the proportion equation
258,116.32 : 386,551.44 = 155,237.80 : x - Step 2: Convert to fraction form
258,116.32/386,551.44 = 155,237.80/x - Step 3: Cross multiply
258,116.32x = 386,551.44 × 155,237.80 - Step 4: Simplify right side
258,116.32x = 60,007,395,132.43 - Step 5: Solve for x
x = 60,007,395,132.43/258,116.32 - Step 6: Final answer
x = 232,481.99
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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.