Finding the Fourth Proportional to 168,011.19, 251,816.45 and 117,135.09
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Solution
The fourth proportional to 168,011.19, 251,816.45 and 117,135.09 is: 175,562.96
Step by Step Solution
- Step 1: Write the proportion equation
168,011.19 : 251,816.45 = 117,135.09 : x - Step 2: Convert to fraction form
168,011.19/251,816.45 = 117,135.09/x - Step 3: Cross multiply
168,011.19x = 251,816.45 × 117,135.09 - Step 4: Simplify right side
168,011.19x = 29,496,541,948.56 - Step 5: Solve for x
x = 29,496,541,948.56/168,011.19 - Step 6: Final answer
x = 175,562.96
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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.