Finding the Fourth Proportional to 281,258.95, 388,138.38 and 152,197.42
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Solution
The fourth proportional to 281,258.95, 388,138.38 and 152,197.42 is: 210,032.99
Step by Step Solution
- Step 1: Write the proportion equation
281,258.95 : 388,138.38 = 152,197.42 : x - Step 2: Convert to fraction form
281,258.95/388,138.38 = 152,197.42/x - Step 3: Cross multiply
281,258.95x = 388,138.38 × 152,197.42 - Step 4: Simplify right side
281,258.95x = 59,073,657,337.30 - Step 5: Solve for x
x = 59,073,657,337.30/281,258.95 - Step 6: Final answer
x = 210,032.99
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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.