Finding the Fourth Proportional to 556,193.29, 767,265.06 and 351,900.15
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Solution
The fourth proportional to 556,193.29, 767,265.06 and 351,900.15 is: 485,443.99
Step by Step Solution
- Step 1: Write the proportion equation
556,193.29 : 767,265.06 = 351,900.15 : x - Step 2: Convert to fraction form
556,193.29/767,265.06 = 351,900.15/x - Step 3: Cross multiply
556,193.29x = 767,265.06 × 351,900.15 - Step 4: Simplify right side
556,193.29x = 270,000,691,621.92 - Step 5: Solve for x
x = 270,000,691,621.92/556,193.29 - Step 6: Final answer
x = 485,443.99
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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.