Finding the Fourth Proportional to 268,394.82, 370,393.36 and 153,673.98
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Solution
The fourth proportional to 268,394.82, 370,393.36 and 153,673.98 is: 212,074.96
Step by Step Solution
- Step 1: Write the proportion equation
268,394.82 : 370,393.36 = 153,673.98 : x - Step 2: Convert to fraction form
268,394.82/370,393.36 = 153,673.98/x - Step 3: Cross multiply
268,394.82x = 370,393.36 × 153,673.98 - Step 4: Simplify right side
268,394.82x = 56,919,821,796.77 - Step 5: Solve for x
x = 56,919,821,796.77/268,394.82 - Step 6: Final answer
x = 212,074.96
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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.