Finding the Fourth Proportional to 392,000.60, 587,126.10 and 302,965.40
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Solution
The fourth proportional to 392,000.60, 587,126.10 and 302,965.40 is: 453,771.99
Step by Step Solution
- Step 1: Write the proportion equation
392,000.60 : 587,126.10 = 302,965.40 : x - Step 2: Convert to fraction form
392,000.60/587,126.10 = 302,965.40/x - Step 3: Cross multiply
392,000.60x = 587,126.10 × 302,965.40 - Step 4: Simplify right side
392,000.60x = 177,878,893,736.94 - Step 5: Solve for x
x = 177,878,893,736.94/392,000.60 - Step 6: Final answer
x = 453,771.99
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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.