Finding the Fourth Proportional to 179,206.08, 268,853.40 and 74,055.12
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Solution
The fourth proportional to 179,206.08, 268,853.40 and 74,055.12 is: 111,100.98
Step by Step Solution
- Step 1: Write the proportion equation
179,206.08 : 268,853.40 = 74,055.12 : x - Step 2: Convert to fraction form
179,206.08/268,853.40 = 74,055.12/x - Step 3: Cross multiply
179,206.08x = 268,853.40 × 74,055.12 - Step 4: Simplify right side
179,206.08x = 19,909,970,799.41 - Step 5: Solve for x
x = 19,909,970,799.41/179,206.08 - Step 6: Final answer
x = 111,100.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.