Finding the Fourth Proportional to 186,370.40, 257,052.40 and 118,328.32
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Solution
The fourth proportional to 186,370.40, 257,052.40 and 118,328.32 is: 163,204.99
Step by Step Solution
- Step 1: Write the proportion equation
186,370.40 : 257,052.40 = 118,328.32 : x - Step 2: Convert to fraction form
186,370.40/257,052.40 = 118,328.32/x - Step 3: Cross multiply
186,370.40x = 257,052.40 × 118,328.32 - Step 4: Simplify right side
186,370.40x = 30,416,578,643.97 - Step 5: Solve for x
x = 30,416,578,643.97/186,370.40 - Step 6: Final answer
x = 163,204.99
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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.