Finding the Fourth Proportional to 163,001.14, 224,952.36 and 91,385.80
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Solution
The fourth proportional to 163,001.14, 224,952.36 and 91,385.80 is: 126,118.45
Step by Step Solution
- Step 1: Write the proportion equation
163,001.14 : 224,952.36 = 91,385.80 : x - Step 2: Convert to fraction form
163,001.14/224,952.36 = 91,385.80/x - Step 3: Cross multiply
163,001.14x = 224,952.36 × 91,385.80 - Step 4: Simplify right side
163,001.14x = 20,557,450,818.11 - Step 5: Solve for x
x = 20,557,450,818.11/163,001.14 - Step 6: Final answer
x = 126,118.45
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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.