Finding the Fourth Proportional to 289,219.17, 433,263.77 and 199,245.99
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Solution
The fourth proportional to 289,219.17, 433,263.77 and 199,245.99 is: 298,479.76
Step by Step Solution
- Step 1: Write the proportion equation
289,219.17 : 433,263.77 = 199,245.99 : x - Step 2: Convert to fraction form
289,219.17/433,263.77 = 199,245.99/x - Step 3: Cross multiply
289,219.17x = 433,263.77 × 199,245.99 - Step 4: Simplify right side
289,219.17x = 86,326,068,784.78 - Step 5: Solve for x
x = 86,326,068,784.78/289,219.17 - Step 6: Final answer
x = 298,479.76
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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.