Finding the Fourth Proportional to 232,395.06, 320,768.02 and 136,931.70
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Solution
The fourth proportional to 232,395.06, 320,768.02 and 136,931.70 is: 189,002.77
Step by Step Solution
- Step 1: Write the proportion equation
232,395.06 : 320,768.02 = 136,931.70 : x - Step 2: Convert to fraction form
232,395.06/320,768.02 = 136,931.70/x - Step 3: Cross multiply
232,395.06x = 320,768.02 × 136,931.70 - Step 4: Simplify right side
232,395.06x = 43,923,310,284.23 - Step 5: Solve for x
x = 43,923,310,284.23/232,395.06 - Step 6: Final answer
x = 189,002.77
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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.