Finding the Fourth Proportional to 168,338.58, 232,615.20 and 160,138.14
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Solution
The fourth proportional to 168,338.58, 232,615.20 and 160,138.14 is: 221,283.59
Step by Step Solution
- Step 1: Write the proportion equation
168,338.58 : 232,615.20 = 160,138.14 : x - Step 2: Convert to fraction form
168,338.58/232,615.20 = 160,138.14/x - Step 3: Cross multiply
168,338.58x = 232,615.20 × 160,138.14 - Step 4: Simplify right side
168,338.58x = 37,250,565,463.73 - Step 5: Solve for x
x = 37,250,565,463.73/168,338.58 - Step 6: Final answer
x = 221,283.59
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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.