Finding the Fourth Proportional to 268,639.04, 370,710.18 and 147,772.67
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Solution
The fourth proportional to 268,639.04, 370,710.18 and 147,772.67 is: 203,919.85
Step by Step Solution
- Step 1: Write the proportion equation
268,639.04 : 370,710.18 = 147,772.67 : x - Step 2: Convert to fraction form
268,639.04/370,710.18 = 147,772.67/x - Step 3: Cross multiply
268,639.04x = 370,710.18 × 147,772.67 - Step 4: Simplify right side
268,639.04x = 54,780,831,241.23 - Step 5: Solve for x
x = 54,780,831,241.23/268,639.04 - Step 6: Final answer
x = 203,919.85
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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.