Finding the Fourth Proportional to 340,821.60, 470,368.80 and 204,899.84
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Solution
The fourth proportional to 340,821.60, 470,368.80 and 204,899.84 is: 282,782.82
Step by Step Solution
- Step 1: Write the proportion equation
340,821.60 : 470,368.80 = 204,899.84 : x - Step 2: Convert to fraction form
340,821.60/470,368.80 = 204,899.84/x - Step 3: Cross multiply
340,821.60x = 470,368.80 × 204,899.84 - Step 4: Simplify right side
340,821.60x = 96,378,491,860.99 - Step 5: Solve for x
x = 96,378,491,860.99/340,821.60 - Step 6: Final answer
x = 282,782.82
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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.