Finding the Fourth Proportional to 642,032.10, 962,820.99 and 186,528.60
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Solution
The fourth proportional to 642,032.10, 962,820.99 and 186,528.60 is: 279,726.90
Step by Step Solution
- Step 1: Write the proportion equation
642,032.10 : 962,820.99 = 186,528.60 : x - Step 2: Convert to fraction form
642,032.10/962,820.99 = 186,528.60/x - Step 3: Cross multiply
642,032.10x = 962,820.99 × 186,528.60 - Step 4: Simplify right side
642,032.10x = 179,593,651,315.31 - Step 5: Solve for x
x = 179,593,651,315.31/642,032.10 - Step 6: Final answer
x = 279,726.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.