Finding the Fourth Proportional to 291,651.08, 437,513.12 and 114,135.16
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Solution
The fourth proportional to 291,651.08, 437,513.12 and 114,135.16 is: 171,217.02
Step by Step Solution
- Step 1: Write the proportion equation
291,651.08 : 437,513.12 = 114,135.16 : x - Step 2: Convert to fraction form
291,651.08/437,513.12 = 114,135.16/x - Step 3: Cross multiply
291,651.08x = 437,513.12 × 114,135.16 - Step 4: Simplify right side
291,651.08x = 49,935,629,953.30 - Step 5: Solve for x
x = 49,935,629,953.30/291,651.08 - Step 6: Final answer
x = 171,217.02
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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.