Finding the Fourth Proportional to 351,262.08, 484,753.41 and 215,269.75
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Solution
The fourth proportional to 351,262.08, 484,753.41 and 215,269.75 is: 297,079.45
Step by Step Solution
- Step 1: Write the proportion equation
351,262.08 : 484,753.41 = 215,269.75 : x - Step 2: Convert to fraction form
351,262.08/484,753.41 = 215,269.75/x - Step 3: Cross multiply
351,262.08x = 484,753.41 × 215,269.75 - Step 4: Simplify right side
351,262.08x = 104,352,745,988.29 - Step 5: Solve for x
x = 104,352,745,988.29/351,262.08 - Step 6: Final answer
x = 297,079.45
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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.