Finding the Fourth Proportional to 150,680.63, 207,948.99 and 83,612.63
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Solution
The fourth proportional to 150,680.63, 207,948.99 and 83,612.63 is: 115,390.82
Step by Step Solution
- Step 1: Write the proportion equation
150,680.63 : 207,948.99 = 83,612.63 : x - Step 2: Convert to fraction form
150,680.63/207,948.99 = 83,612.63/x - Step 3: Cross multiply
150,680.63x = 207,948.99 × 83,612.63 - Step 4: Simplify right side
150,680.63x = 17,387,161,959.74 - Step 5: Solve for x
x = 17,387,161,959.74/150,680.63 - Step 6: Final answer
x = 115,390.82
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1.5x scale
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.