Finding the Fourth Proportional to 376,001.84, 518,880.40 and 203,918.09
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Solution
The fourth proportional to 376,001.84, 518,880.40 and 203,918.09 is: 281,405.79
Step by Step Solution
- Step 1: Write the proportion equation
376,001.84 : 518,880.40 = 203,918.09 : x - Step 2: Convert to fraction form
376,001.84/518,880.40 = 203,918.09/x - Step 3: Cross multiply
376,001.84x = 518,880.40 × 203,918.09 - Step 4: Simplify right side
376,001.84x = 105,809,097,002.24 - Step 5: Solve for x
x = 105,809,097,002.24/376,001.84 - Step 6: Final answer
x = 281,405.79
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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.