Finding the Fourth Proportional to 382,346.14, 573,420.80 and 157,770.40
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Solution
The fourth proportional to 382,346.14, 573,420.80 and 157,770.40 is: 236,614.99
Step by Step Solution
- Step 1: Write the proportion equation
382,346.14 : 573,420.80 = 157,770.40 : x - Step 2: Convert to fraction form
382,346.14/573,420.80 = 157,770.40/x - Step 3: Cross multiply
382,346.14x = 573,420.80 × 157,770.40 - Step 4: Simplify right side
382,346.14x = 90,468,828,984.32 - Step 5: Solve for x
x = 90,468,828,984.32/382,346.14 - Step 6: Final answer
x = 236,614.99
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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.