Finding the Fourth Proportional to 384,509.88, 530,559.18 and 214,744.68
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Solution
The fourth proportional to 384,509.88, 530,559.18 and 214,744.68 is: 296,311.66
Step by Step Solution
- Step 1: Write the proportion equation
384,509.88 : 530,559.18 = 214,744.68 : x - Step 2: Convert to fraction form
384,509.88/530,559.18 = 214,744.68/x - Step 3: Cross multiply
384,509.88x = 530,559.18 × 214,744.68 - Step 4: Simplify right side
384,509.88x = 113,934,761,330.16 - Step 5: Solve for x
x = 113,934,761,330.16/384,509.88 - Step 6: Final answer
x = 296,311.66
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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.