Finding the Fourth Proportional to 98,221.20, 147,331.80 and 24,349.20
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Solution
The fourth proportional to 98,221.20, 147,331.80 and 24,349.20 is: 36,523.80
Step by Step Solution
- Step 1: Write the proportion equation
98,221.20 : 147,331.80 = 24,349.20 : x - Step 2: Convert to fraction form
98,221.20/147,331.80 = 24,349.20/x - Step 3: Cross multiply
98,221.20x = 147,331.80 × 24,349.20 - Step 4: Simplify right side
98,221.20x = 3,587,411,464.56 - Step 5: Solve for x
x = 3,587,411,464.56/98,221.20 - Step 6: Final answer
x = 36,523.80
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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.