Finding the Fourth Proportional to 150,137.24, 207,264.40 and 86,462.74
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Solution
The fourth proportional to 150,137.24, 207,264.40 and 86,462.74 is: 119,361.77
Step by Step Solution
- Step 1: Write the proportion equation
150,137.24 : 207,264.40 = 86,462.74 : x - Step 2: Convert to fraction form
150,137.24/207,264.40 = 86,462.74/x - Step 3: Cross multiply
150,137.24x = 207,264.40 × 86,462.74 - Step 4: Simplify right side
150,137.24x = 17,920,646,892.13 - Step 5: Solve for x
x = 17,920,646,892.13/150,137.24 - Step 6: Final answer
x = 119,361.77
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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.