Finding the Fourth Proportional to 226,711.37, 312,828.67 and 136,048.07
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Solution
The fourth proportional to 226,711.37, 312,828.67 and 136,048.07 is: 187,726.52
Step by Step Solution
- Step 1: Write the proportion equation
226,711.37 : 312,828.67 = 136,048.07 : x - Step 2: Convert to fraction form
226,711.37/312,828.67 = 136,048.07/x - Step 3: Cross multiply
226,711.37x = 312,828.67 × 136,048.07 - Step 4: Simplify right side
226,711.37x = 42,559,736,794.17 - Step 5: Solve for x
x = 42,559,736,794.17/226,711.37 - Step 6: Final answer
x = 187,726.52
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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.