Finding the Fourth Proportional to 317,988.36, 476,926.92 and 93,345.12
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Solution
The fourth proportional to 317,988.36, 476,926.92 and 93,345.12 is: 140,001.35
Step by Step Solution
- Step 1: Write the proportion equation
317,988.36 : 476,926.92 = 93,345.12 : x - Step 2: Convert to fraction form
317,988.36/476,926.92 = 93,345.12/x - Step 3: Cross multiply
317,988.36x = 476,926.92 × 93,345.12 - Step 4: Simplify right side
317,988.36x = 44,518,800,578.63 - Step 5: Solve for x
x = 44,518,800,578.63/317,988.36 - Step 6: Final answer
x = 140,001.35
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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.