Finding the Fourth Proportional to 150,599.13, 207,826.86 and 83,531.13
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Solution
The fourth proportional to 150,599.13, 207,826.86 and 83,531.13 is: 115,272.99
Step by Step Solution
- Step 1: Write the proportion equation
150,599.13 : 207,826.86 = 83,531.13 : x - Step 2: Convert to fraction form
150,599.13/207,826.86 = 83,531.13/x - Step 3: Cross multiply
150,599.13x = 207,826.86 × 83,531.13 - Step 4: Simplify right side
150,599.13x = 17,360,012,460.15 - Step 5: Solve for x
x = 17,360,012,460.15/150,599.13 - Step 6: Final answer
x = 115,272.99
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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.