Finding the Fourth Proportional to 268,546.93, 370,587.35 and 147,688.20
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Solution
The fourth proportional to 268,546.93, 370,587.35 and 147,688.20 is: 203,805.64
Step by Step Solution
- Step 1: Write the proportion equation
268,546.93 : 370,587.35 = 147,688.20 : x - Step 2: Convert to fraction form
268,546.93/370,587.35 = 147,688.20/x - Step 3: Cross multiply
268,546.93x = 370,587.35 × 147,688.20 - Step 4: Simplify right side
268,546.93x = 54,731,379,033.49 - Step 5: Solve for x
x = 54,731,379,033.49/268,546.93 - Step 6: Final answer
x = 203,805.64
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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.