Finding the Fourth Proportional to 347,464.68, 479,502.18 and 188,488.68
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Solution
The fourth proportional to 347,464.68, 479,502.18 and 188,488.68 is: 260,114.88
Step by Step Solution
- Step 1: Write the proportion equation
347,464.68 : 479,502.18 = 188,488.68 : x - Step 2: Convert to fraction form
347,464.68/479,502.18 = 188,488.68/x - Step 3: Cross multiply
347,464.68x = 479,502.18 × 188,488.68 - Step 4: Simplify right side
347,464.68x = 90,380,732,965.32 - Step 5: Solve for x
x = 90,380,732,965.32/347,464.68 - Step 6: Final answer
x = 260,114.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.