Finding the Fourth Proportional to 313,293.44, 432,353.44 and 170,053.76
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Solution
The fourth proportional to 313,293.44, 432,353.44 and 170,053.76 is: 234,678.80
Step by Step Solution
- Step 1: Write the proportion equation
313,293.44 : 432,353.44 = 170,053.76 : x - Step 2: Convert to fraction form
313,293.44/432,353.44 = 170,053.76/x - Step 3: Cross multiply
313,293.44x = 432,353.44 × 170,053.76 - Step 4: Simplify right side
313,293.44x = 73,523,328,120.93 - Step 5: Solve for x
x = 73,523,328,120.93/313,293.44 - Step 6: Final answer
x = 234,678.80
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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.