Finding the Fourth Proportional to 150,645.84, 207,891.36 and 83,577.84
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Solution
The fourth proportional to 150,645.84, 207,891.36 and 83,577.84 is: 115,337.48
Step by Step Solution
- Step 1: Write the proportion equation
150,645.84 : 207,891.36 = 83,577.84 : x - Step 2: Convert to fraction form
150,645.84/207,891.36 = 83,577.84/x - Step 3: Cross multiply
150,645.84x = 207,891.36 × 83,577.84 - Step 4: Simplify right side
150,645.84x = 17,375,110,823.46 - Step 5: Solve for x
x = 17,375,110,823.46/150,645.84 - Step 6: Final answer
x = 115,337.48
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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.