Finding the Fourth Proportional to 175,415.64, 242,014.14 and 99,910.68
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Solution
The fourth proportional to 175,415.64, 242,014.14 and 99,910.68 is: 137,842.88
Step by Step Solution
- Step 1: Write the proportion equation
175,415.64 : 242,014.14 = 99,910.68 : x - Step 2: Convert to fraction form
175,415.64/242,014.14 = 99,910.68/x - Step 3: Cross multiply
175,415.64x = 242,014.14 × 99,910.68 - Step 4: Simplify right side
175,415.64x = 24,179,797,297.02 - Step 5: Solve for x
x = 24,179,797,297.02/175,415.64 - Step 6: Final answer
x = 137,842.88
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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.