Finding the Fourth Proportional to 313,623.14, 432,768.71 and 177,629.95
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Solution
The fourth proportional to 313,623.14, 432,768.71 and 177,629.95 is: 245,111.64
Step by Step Solution
- Step 1: Write the proportion equation
313,623.14 : 432,768.71 = 177,629.95 : x - Step 2: Convert to fraction form
313,623.14/432,768.71 = 177,629.95/x - Step 3: Cross multiply
313,623.14x = 432,768.71 × 177,629.95 - Step 4: Simplify right side
313,623.14x = 76,872,681,266.87 - Step 5: Solve for x
x = 76,872,681,266.87/313,623.14 - Step 6: Final answer
x = 245,111.64
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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.