Finding the Fourth Proportional to 150,139.44, 207,161.28 and 86,460.48
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Solution
The fourth proportional to 150,139.44, 207,161.28 and 86,460.48 is: 119,297.53
Step by Step Solution
- Step 1: Write the proportion equation
150,139.44 : 207,161.28 = 86,460.48 : x - Step 2: Convert to fraction form
150,139.44/207,161.28 = 86,460.48/x - Step 3: Cross multiply
150,139.44x = 207,161.28 × 86,460.48 - Step 4: Simplify right side
150,139.44x = 17,911,263,706.21 - Step 5: Solve for x
x = 17,911,263,706.21/150,139.44 - Step 6: Final answer
x = 119,297.53
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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.