Finding the Fourth Proportional to 225,023.29, 310,385.84 and 144,322.99
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Solution
The fourth proportional to 225,023.29, 310,385.84 and 144,322.99 is: 199,071.89
Step by Step Solution
- Step 1: Write the proportion equation
225,023.29 : 310,385.84 = 144,322.99 : x - Step 2: Convert to fraction form
225,023.29/310,385.84 = 144,322.99/x - Step 3: Cross multiply
225,023.29x = 310,385.84 × 144,322.99 - Step 4: Simplify right side
225,023.29x = 44,795,811,760.85 - Step 5: Solve for x
x = 44,795,811,760.85/225,023.29 - Step 6: Final answer
x = 199,071.89
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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.