Finding the Fourth Proportional to 347,403.18, 479,035.69 and 226,319.93
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Solution
The fourth proportional to 347,403.18, 479,035.69 and 226,319.93 is: 312,073.49
Step by Step Solution
- Step 1: Write the proportion equation
347,403.18 : 479,035.69 = 226,319.93 : x - Step 2: Convert to fraction form
347,403.18/479,035.69 = 226,319.93/x - Step 3: Cross multiply
347,403.18x = 479,035.69 × 226,319.93 - Step 4: Simplify right side
347,403.18x = 108,415,323,828.30 - Step 5: Solve for x
x = 108,415,323,828.30/347,403.18 - Step 6: Final answer
x = 312,073.49
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1.5x scale
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.