Finding the Fourth Proportional to 114,473.69, 157,963.11 and 63,485.48
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Solution
The fourth proportional to 114,473.69, 157,963.11 and 63,485.48 is: 87,604.09
Step by Step Solution
- Step 1: Write the proportion equation
114,473.69 : 157,963.11 = 63,485.48 : x - Step 2: Convert to fraction form
114,473.69/157,963.11 = 63,485.48/x - Step 3: Cross multiply
114,473.69x = 157,963.11 × 63,485.48 - Step 4: Simplify right side
114,473.69x = 10,028,363,663.19 - Step 5: Solve for x
x = 10,028,363,663.19/114,473.69 - Step 6: Final answer
x = 87,604.09
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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.