Finding the Fourth Proportional to 370,808.08, 511,719.08 and 217,852.64
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Solution
The fourth proportional to 370,808.08, 511,719.08 and 217,852.64 is: 300,638.95
Step by Step Solution
- Step 1: Write the proportion equation
370,808.08 : 511,719.08 = 217,852.64 : x - Step 2: Convert to fraction form
370,808.08/511,719.08 = 217,852.64/x - Step 3: Cross multiply
370,808.08x = 511,719.08 × 217,852.64 - Step 4: Simplify right side
370,808.08x = 111,479,352,516.37 - Step 5: Solve for x
x = 111,479,352,516.37/370,808.08 - Step 6: Final answer
x = 300,638.95
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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.