Finding the Fourth Proportional to 150,335.70, 207,416.07 and 86,664.66
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Solution
The fourth proportional to 150,335.70, 207,416.07 and 86,664.66 is: 119,570.02
Step by Step Solution
- Step 1: Write the proportion equation
150,335.70 : 207,416.07 = 86,664.66 : x - Step 2: Convert to fraction form
150,335.70/207,416.07 = 86,664.66/x - Step 3: Cross multiply
150,335.70x = 207,416.07 × 86,664.66 - Step 4: Simplify right side
150,335.70x = 17,975,643,185.09 - Step 5: Solve for x
x = 17,975,643,185.09/150,335.70 - Step 6: Final answer
x = 119,570.02
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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.