Finding the Fourth Proportional to 142,365.48, 213,567.84 and 48,859.08
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Solution
The fourth proportional to 142,365.48, 213,567.84 and 48,859.08 is: 73,295.35
Step by Step Solution
- Step 1: Write the proportion equation
142,365.48 : 213,567.84 = 48,859.08 : x - Step 2: Convert to fraction form
142,365.48/213,567.84 = 48,859.08/x - Step 3: Cross multiply
142,365.48x = 213,567.84 × 48,859.08 - Step 4: Simplify right side
142,365.48x = 10,434,728,179.99 - Step 5: Solve for x
x = 10,434,728,179.99/142,365.48 - Step 6: Final answer
x = 73,295.35
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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.