Finding the Fourth Proportional to 235,727.99, 325,304.63 and 128,298.80
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Solution
The fourth proportional to 235,727.99, 325,304.63 and 128,298.80 is: 177,052.35
Step by Step Solution
- Step 1: Write the proportion equation
235,727.99 : 325,304.63 = 128,298.80 : x - Step 2: Convert to fraction form
235,727.99/325,304.63 = 128,298.80/x - Step 3: Cross multiply
235,727.99x = 325,304.63 × 128,298.80 - Step 4: Simplify right side
235,727.99x = 41,736,194,797.45 - Step 5: Solve for x
x = 41,736,194,797.45/235,727.99 - Step 6: Final answer
x = 177,052.35
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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.