Finding the Fourth Proportional to 346,773.12, 520,309.92 and 122,293.96
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Solution
The fourth proportional to 346,773.12, 520,309.92 and 122,293.96 is: 183,493.92
Step by Step Solution
- Step 1: Write the proportion equation
346,773.12 : 520,309.92 = 122,293.96 : x - Step 2: Convert to fraction form
346,773.12/520,309.92 = 122,293.96/x - Step 3: Cross multiply
346,773.12x = 520,309.92 × 122,293.96 - Step 4: Simplify right side
346,773.12x = 63,630,760,544.08 - Step 5: Solve for x
x = 63,630,760,544.08/346,773.12 - Step 6: Final answer
x = 183,493.92
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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.