Finding the Fourth Proportional to 313,367.84, 432,447.62 and 170,127.88
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Solution
The fourth proportional to 313,367.84, 432,447.62 and 170,127.88 is: 234,776.48
Step by Step Solution
- Step 1: Write the proportion equation
313,367.84 : 432,447.62 = 170,127.88 : x - Step 2: Convert to fraction form
313,367.84/432,447.62 = 170,127.88/x - Step 3: Cross multiply
313,367.84x = 432,447.62 × 170,127.88 - Step 4: Simplify right side
313,367.84x = 73,571,398,170.92 - Step 5: Solve for x
x = 73,571,398,170.92/313,367.84 - Step 6: Final answer
x = 234,776.48
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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.