Finding the Fourth Proportional to 253,876.02, 350,508.12 and 163,389.12
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Solution
The fourth proportional to 253,876.02, 350,508.12 and 163,389.12 is: 225,579.45
Step by Step Solution
- Step 1: Write the proportion equation
253,876.02 : 350,508.12 = 163,389.12 : x - Step 2: Convert to fraction form
253,876.02/350,508.12 = 163,389.12/x - Step 3: Cross multiply
253,876.02x = 350,508.12 × 163,389.12 - Step 4: Simplify right side
253,876.02x = 57,269,213,279.65 - Step 5: Solve for x
x = 57,269,213,279.65/253,876.02 - Step 6: Final answer
x = 225,579.45
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1.5x scale
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.