Finding the Fourth Proportional to 228,577.36, 342,539.36 and 128,527.58
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Solution
The fourth proportional to 228,577.36, 342,539.36 and 128,527.58 is: 192,607.68
Step by Step Solution
- Step 1: Write the proportion equation
228,577.36 : 342,539.36 = 128,527.58 : x - Step 2: Convert to fraction form
228,577.36/342,539.36 = 128,527.58/x - Step 3: Cross multiply
228,577.36x = 342,539.36 × 128,527.58 - Step 4: Simplify right side
228,577.36x = 44,025,754,995.55 - Step 5: Solve for x
x = 44,025,754,995.55/228,577.36 - Step 6: Final answer
x = 192,607.68
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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.