Finding the Fourth Proportional to 268,121.34, 369,993.02 and 153,402.26
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Solution
The fourth proportional to 268,121.34, 369,993.02 and 153,402.26 is: 211,686.85
Step by Step Solution
- Step 1: Write the proportion equation
268,121.34 : 369,993.02 = 153,402.26 : x - Step 2: Convert to fraction form
268,121.34/369,993.02 = 153,402.26/x - Step 3: Cross multiply
268,121.34x = 369,993.02 × 153,402.26 - Step 4: Simplify right side
268,121.34x = 56,757,762,835.25 - Step 5: Solve for x
x = 56,757,762,835.25/268,121.34 - Step 6: Final answer
x = 211,686.85
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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.