Finding the Fourth Proportional to 97,643.20, 146,464.80 and 48,388.80
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Solution
The fourth proportional to 97,643.20, 146,464.80 and 48,388.80 is: 72,583.20
Step by Step Solution
- Step 1: Write the proportion equation
97,643.20 : 146,464.80 = 48,388.80 : x - Step 2: Convert to fraction form
97,643.20/146,464.80 = 48,388.80/x - Step 3: Cross multiply
97,643.20x = 146,464.80 × 48,388.80 - Step 4: Simplify right side
97,643.20x = 7,087,255,914.24 - Step 5: Solve for x
x = 7,087,255,914.24/97,643.20 - Step 6: Final answer
x = 72,583.20
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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.