Finding the Fourth Proportional to 150,502.62, 207,690.57 and 83,434.62
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Solution
The fourth proportional to 150,502.62, 207,690.57 and 83,434.62 is: 115,138.09
Step by Step Solution
- Step 1: Write the proportion equation
150,502.62 : 207,690.57 = 83,434.62 : x - Step 2: Convert to fraction form
150,502.62/207,690.57 = 83,434.62/x - Step 3: Cross multiply
150,502.62x = 207,690.57 × 83,434.62 - Step 4: Simplify right side
150,502.62x = 17,328,583,785.53 - Step 5: Solve for x
x = 17,328,583,785.53/150,502.62 - Step 6: Final answer
x = 115,138.09
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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.