Finding the Fourth Proportional to 645,211.84, 967,714.08 and 201,979.84
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Solution
The fourth proportional to 645,211.84, 967,714.08 and 201,979.84 is: 302,937.30
Step by Step Solution
- Step 1: Write the proportion equation
645,211.84 : 967,714.08 = 201,979.84 : x - Step 2: Convert to fraction form
645,211.84/967,714.08 = 201,979.84/x - Step 3: Cross multiply
645,211.84x = 967,714.08 × 201,979.84 - Step 4: Simplify right side
645,211.84x = 195,458,735,044.15 - Step 5: Solve for x
x = 195,458,735,044.15/645,211.84 - Step 6: Final answer
x = 302,937.30
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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.