Finding the Fourth Proportional to 449,502.39, 620,332.18 and 258,515.96
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Solution
The fourth proportional to 449,502.39, 620,332.18 and 258,515.96 is: 356,762.88
Step by Step Solution
- Step 1: Write the proportion equation
449,502.39 : 620,332.18 = 258,515.96 : x - Step 2: Convert to fraction form
449,502.39/620,332.18 = 258,515.96/x - Step 3: Cross multiply
449,502.39x = 620,332.18 × 258,515.96 - Step 4: Simplify right side
449,502.39x = 160,365,765,283.64 - Step 5: Solve for x
x = 160,365,765,283.64/449,502.39 - Step 6: Final answer
x = 356,762.88
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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.