Finding the Fourth Proportional to 572,070.12, 857,771.46 and 172,591.08
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Solution
The fourth proportional to 572,070.12, 857,771.46 and 172,591.08 is: 258,785.94
Step by Step Solution
- Step 1: Write the proportion equation
572,070.12 : 857,771.46 = 172,591.08 : x - Step 2: Convert to fraction form
572,070.12/857,771.46 = 172,591.08/x - Step 3: Cross multiply
572,070.12x = 857,771.46 × 172,591.08 - Step 4: Simplify right side
572,070.12x = 148,043,702,674.58 - Step 5: Solve for x
x = 148,043,702,674.58/572,070.12 - Step 6: Final answer
x = 258,785.94
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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.