Finding the Fourth Proportional to 834,633.12, 1,251,962.64 and 203,558.88
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Solution
The fourth proportional to 834,633.12, 1,251,962.64 and 203,558.88 is: 305,341.48
Step by Step Solution
- Step 1: Write the proportion equation
834,633.12 : 1,251,962.64 = 203,558.88 : x - Step 2: Convert to fraction form
834,633.12/1,251,962.64 = 203,558.88/x - Step 3: Cross multiply
834,633.12x = 1,251,962.64 × 203,558.88 - Step 4: Simplify right side
834,633.12x = 254,848,112,800.24 - Step 5: Solve for x
x = 254,848,112,800.24/834,633.12 - Step 6: Final answer
x = 305,341.48
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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.