Finding the Fourth Proportional to 232,143.84, 348,314.18 and 126,839.79
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Solution
The fourth proportional to 232,143.84, 348,314.18 and 126,839.79 is: 190,313.46
Step by Step Solution
- Step 1: Write the proportion equation
232,143.84 : 348,314.18 = 126,839.79 : x - Step 2: Convert to fraction form
232,143.84/348,314.18 = 126,839.79/x - Step 3: Cross multiply
232,143.84x = 348,314.18 × 126,839.79 - Step 4: Simplify right side
232,143.84x = 44,180,097,445.22 - Step 5: Solve for x
x = 44,180,097,445.22/232,143.84 - Step 6: Final answer
x = 190,313.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.