Finding the Fourth Proportional to 317,752.08, 476,522.28 and 128,163.48
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Solution
The fourth proportional to 317,752.08, 476,522.28 and 128,163.48 is: 192,202.53
Step by Step Solution
- Step 1: Write the proportion equation
317,752.08 : 476,522.28 = 128,163.48 : x - Step 2: Convert to fraction form
317,752.08/476,522.28 = 128,163.48/x - Step 3: Cross multiply
317,752.08x = 476,522.28 × 128,163.48 - Step 4: Simplify right side
317,752.08x = 61,072,753,702.33 - Step 5: Solve for x
x = 61,072,753,702.33/317,752.08 - Step 6: Final answer
x = 192,202.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.