Finding the Fourth Proportional to 163,579.80, 245,369.70 and 110,435.70
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Solution
The fourth proportional to 163,579.80, 245,369.70 and 110,435.70 is: 165,653.55
Step by Step Solution
- Step 1: Write the proportion equation
163,579.80 : 245,369.70 = 110,435.70 : x - Step 2: Convert to fraction form
163,579.80/245,369.70 = 110,435.70/x - Step 3: Cross multiply
163,579.80x = 245,369.70 × 110,435.70 - Step 4: Simplify right side
163,579.80x = 27,097,574,578.29 - Step 5: Solve for x
x = 27,097,574,578.29/163,579.80 - Step 6: Final answer
x = 165,653.55
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1.5x scale
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.