Finding the Fourth Proportional to 355,863.72, 533,918.58 and 222,585.18
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Solution
The fourth proportional to 355,863.72, 533,918.58 and 222,585.18 is: 333,954.70
Step by Step Solution
- Step 1: Write the proportion equation
355,863.72 : 533,918.58 = 222,585.18 : x - Step 2: Convert to fraction form
355,863.72/533,918.58 = 222,585.18/x - Step 3: Cross multiply
355,863.72x = 533,918.58 × 222,585.18 - Step 4: Simplify right side
355,863.72x = 118,842,363,234.64 - Step 5: Solve for x
x = 118,842,363,234.64/355,863.72 - Step 6: Final answer
x = 333,954.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.