Finding the Fourth Proportional to 532,686.42, 735,129.09 and 306,331.92
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Solution
The fourth proportional to 532,686.42, 735,129.09 and 306,331.92 is: 422,750.60
Step by Step Solution
- Step 1: Write the proportion equation
532,686.42 : 735,129.09 = 306,331.92 : x - Step 2: Convert to fraction form
532,686.42/735,129.09 = 306,331.92/x - Step 3: Cross multiply
532,686.42x = 735,129.09 × 306,331.92 - Step 4: Simplify right side
532,686.42x = 225,193,505,587.55 - Step 5: Solve for x
x = 225,193,505,587.55/532,686.42 - Step 6: Final answer
x = 422,750.60
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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.