Finding the Fourth Proportional to 451,639.78, 623,217.99 and 260,714.68
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Solution
The fourth proportional to 451,639.78, 623,217.99 and 260,714.68 is: 359,760.34
Step by Step Solution
- Step 1: Write the proportion equation
451,639.78 : 623,217.99 = 260,714.68 : x - Step 2: Convert to fraction form
451,639.78/623,217.99 = 260,714.68/x - Step 3: Cross multiply
451,639.78x = 623,217.99 × 260,714.68 - Step 4: Simplify right side
451,639.78x = 162,482,078,833.09 - Step 5: Solve for x
x = 162,482,078,833.09/451,639.78 - Step 6: Final answer
x = 359,760.34
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1.5x scale
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.