Finding the Fourth Proportional to 225,219.99, 310,811.12 and 123,243.27
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Solution
The fourth proportional to 225,219.99, 310,811.12 and 123,243.27 is: 170,079.84
Step by Step Solution
- Step 1: Write the proportion equation
225,219.99 : 310,811.12 = 123,243.27 : x - Step 2: Convert to fraction form
225,219.99/310,811.12 = 123,243.27/x - Step 3: Cross multiply
225,219.99x = 310,811.12 × 123,243.27 - Step 4: Simplify right side
225,219.99x = 38,305,378,781.16 - Step 5: Solve for x
x = 38,305,378,781.16/225,219.99 - Step 6: Final answer
x = 170,079.84
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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.