Finding the Fourth Proportional to 313,753.05, 432,962.64 and 177,788.63
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Solution
The fourth proportional to 313,753.05, 432,962.64 and 177,788.63 is: 245,338.92
Step by Step Solution
- Step 1: Write the proportion equation
313,753.05 : 432,962.64 = 177,788.63 : x - Step 2: Convert to fraction form
313,753.05/432,962.64 = 177,788.63/x - Step 3: Cross multiply
313,753.05x = 432,962.64 × 177,788.63 - Step 4: Simplify right side
313,753.05x = 76,975,834,606.78 - Step 5: Solve for x
x = 76,975,834,606.78/313,753.05 - Step 6: Final answer
x = 245,338.92
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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.