Finding the Fourth Proportional to 268,343.48, 370,322.90 and 147,489.08
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Solution
The fourth proportional to 268,343.48, 370,322.90 and 147,489.08 is: 203,539.82
Step by Step Solution
- Step 1: Write the proportion equation
268,343.48 : 370,322.90 = 147,489.08 : x - Step 2: Convert to fraction form
268,343.48/370,322.90 = 147,489.08/x - Step 3: Cross multiply
268,343.48x = 370,322.90 × 147,489.08 - Step 4: Simplify right side
268,343.48x = 54,618,583,823.93 - Step 5: Solve for x
x = 54,618,583,823.93/268,343.48 - Step 6: Final answer
x = 203,539.82
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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.