Finding the Fourth Proportional to 479,623.63, 661,880.73 and 264,763.84
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Solution
The fourth proportional to 479,623.63, 661,880.73 and 264,763.84 is: 365,374.17
Step by Step Solution
- Step 1: Write the proportion equation
479,623.63 : 661,880.73 = 264,763.84 : x - Step 2: Convert to fraction form
479,623.63/661,880.73 = 264,763.84/x - Step 3: Cross multiply
479,623.63x = 661,880.73 × 264,763.84 - Step 4: Simplify right side
479,623.63x = 175,242,083,696.80 - Step 5: Solve for x
x = 175,242,083,696.80/479,623.63 - Step 6: Final answer
x = 365,374.17
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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.