Finding the Fourth Proportional to 268,207.12, 370,132.02 and 147,355.96
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Solution
The fourth proportional to 268,207.12, 370,132.02 and 147,355.96 is: 203,354.63
Step by Step Solution
- Step 1: Write the proportion equation
268,207.12 : 370,132.02 = 147,355.96 : x - Step 2: Convert to fraction form
268,207.12/370,132.02 = 147,355.96/x - Step 3: Cross multiply
268,207.12x = 370,132.02 × 147,355.96 - Step 4: Simplify right side
268,207.12x = 54,541,159,133.84 - Step 5: Solve for x
x = 54,541,159,133.84/268,207.12 - Step 6: Final answer
x = 203,354.63
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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.