Finding the Fourth Proportional to 219,163.13, 302,445.11 and 118,561.13
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Solution
The fourth proportional to 219,163.13, 302,445.11 and 118,561.13 is: 163,614.35
Step by Step Solution
- Step 1: Write the proportion equation
219,163.13 : 302,445.11 = 118,561.13 : x - Step 2: Convert to fraction form
219,163.13/302,445.11 = 118,561.13/x - Step 3: Cross multiply
219,163.13x = 302,445.11 × 118,561.13 - Step 4: Simplify right side
219,163.13x = 35,858,232,788.75 - Step 5: Solve for x
x = 35,858,232,788.75/219,163.13 - Step 6: Final answer
x = 163,614.35
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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.