Finding the Fourth Proportional to 150,612.36, 207,758.70 and 93,925.32
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Solution
The fourth proportional to 150,612.36, 207,758.70 and 93,925.32 is: 129,563.09
Step by Step Solution
- Step 1: Write the proportion equation
150,612.36 : 207,758.70 = 93,925.32 : x - Step 2: Convert to fraction form
150,612.36/207,758.70 = 93,925.32/x - Step 3: Cross multiply
150,612.36x = 207,758.70 × 93,925.32 - Step 4: Simplify right side
150,612.36x = 19,513,802,380.28 - Step 5: Solve for x
x = 19,513,802,380.28/150,612.36 - Step 6: Final answer
x = 129,563.09
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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.