Finding the Fourth Proportional to 210,420.49, 290,380.26 and 114,927.41
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Solution
The fourth proportional to 210,420.49, 290,380.26 and 114,927.41 is: 158,599.82
Step by Step Solution
- Step 1: Write the proportion equation
210,420.49 : 290,380.26 = 114,927.41 : x - Step 2: Convert to fraction form
210,420.49/290,380.26 = 114,927.41/x - Step 3: Cross multiply
210,420.49x = 290,380.26 × 114,927.41 - Step 4: Simplify right side
210,420.49x = 33,372,651,196.93 - Step 5: Solve for x
x = 33,372,651,196.93/210,420.49 - Step 6: Final answer
x = 158,599.82
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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.