Finding the Fourth Proportional to 305,884.80, 458,827.20 and 286,201.80
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Solution
The fourth proportional to 305,884.80, 458,827.20 and 286,201.80 is: 429,302.70
Step by Step Solution
- Step 1: Write the proportion equation
305,884.80 : 458,827.20 = 286,201.80 : x - Step 2: Convert to fraction form
305,884.80/458,827.20 = 286,201.80/x - Step 3: Cross multiply
305,884.80x = 458,827.20 × 286,201.80 - Step 4: Simplify right side
305,884.80x = 131,317,170,528.96 - Step 5: Solve for x
x = 131,317,170,528.96/305,884.80 - Step 6: Final answer
x = 429,302.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.