Finding the Fourth Proportional to 150,117.36, 207,332.02 and 102,287.67
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Solution
The fourth proportional to 150,117.36, 207,332.02 and 102,287.67 is: 141,272.86
Step by Step Solution
- Step 1: Write the proportion equation
150,117.36 : 207,332.02 = 102,287.67 : x - Step 2: Convert to fraction form
150,117.36/207,332.02 = 102,287.67/x - Step 3: Cross multiply
150,117.36x = 207,332.02 × 102,287.67 - Step 4: Simplify right side
150,117.36x = 21,207,509,242.19 - Step 5: Solve for x
x = 21,207,509,242.19/150,117.36 - Step 6: Final answer
x = 141,272.86
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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.