Finding the Fourth Proportional to 348,251.84, 521,988.96 and 137,729.60
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Solution
The fourth proportional to 348,251.84, 521,988.96 and 137,729.60 is: 206,440.63
Step by Step Solution
- Step 1: Write the proportion equation
348,251.84 : 521,988.96 = 137,729.60 : x - Step 2: Convert to fraction form
348,251.84/521,988.96 = 137,729.60/x - Step 3: Cross multiply
348,251.84x = 521,988.96 × 137,729.60 - Step 4: Simplify right side
348,251.84x = 71,893,330,665.22 - Step 5: Solve for x
x = 71,893,330,665.22/348,251.84 - Step 6: Final answer
x = 206,440.63
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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.