Finding the Fourth Proportional to 305,633.08, 458,455.26 and 105,959.96
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Solution
The fourth proportional to 305,633.08, 458,455.26 and 105,959.96 is: 158,941.90
Step by Step Solution
- Step 1: Write the proportion equation
305,633.08 : 458,455.26 = 105,959.96 : x - Step 2: Convert to fraction form
305,633.08/458,455.26 = 105,959.96/x - Step 3: Cross multiply
305,633.08x = 458,455.26 × 105,959.96 - Step 4: Simplify right side
305,633.08x = 48,577,901,011.39 - Step 5: Solve for x
x = 48,577,901,011.39/305,633.08 - Step 6: Final answer
x = 158,941.90
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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.