Finding the Fourth Proportional to 401,096.19, 553,442.59 and 228,935.55
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Solution
The fourth proportional to 401,096.19, 553,442.59 and 228,935.55 is: 315,891.02
Step by Step Solution
- Step 1: Write the proportion equation
401,096.19 : 553,442.59 = 228,935.55 : x - Step 2: Convert to fraction form
401,096.19/553,442.59 = 228,935.55/x - Step 3: Cross multiply
401,096.19x = 553,442.59 × 228,935.55 - Step 4: Simplify right side
401,096.19x = 126,702,683,735.08 - Step 5: Solve for x
x = 126,702,683,735.08/401,096.19 - Step 6: Final answer
x = 315,891.02
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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.