Finding the Fourth Proportional to 479,095.68, 661,267.52 and 288,072.08
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Solution
The fourth proportional to 479,095.68, 661,267.52 and 288,072.08 is: 397,608.91
Step by Step Solution
- Step 1: Write the proportion equation
479,095.68 : 661,267.52 = 288,072.08 : x - Step 2: Convert to fraction form
479,095.68/661,267.52 = 288,072.08/x - Step 3: Cross multiply
479,095.68x = 661,267.52 × 288,072.08 - Step 4: Simplify right side
479,095.68x = 190,492,709,922.84 - Step 5: Solve for x
x = 190,492,709,922.84/479,095.68 - Step 6: Final answer
x = 397,608.91
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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.