Finding the Fourth Proportional to 646,635.30, 970,070.57 and 220,149.30
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Solution
The fourth proportional to 646,635.30, 970,070.57 and 220,149.30 is: 330,263.99
Step by Step Solution
- Step 1: Write the proportion equation
646,635.30 : 970,070.57 = 220,149.30 : x - Step 2: Convert to fraction form
646,635.30/970,070.57 = 220,149.30/x - Step 3: Cross multiply
646,635.30x = 970,070.57 × 220,149.30 - Step 4: Simplify right side
646,635.30x = 213,560,356,936.10 - Step 5: Solve for x
x = 213,560,356,936.10/646,635.30 - Step 6: Final answer
x = 330,263.99
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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.