Finding the Fourth Proportional to 232,142.84, 348,312.68 and 126,838.79
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Solution
The fourth proportional to 232,142.84, 348,312.68 and 126,838.79 is: 190,311.96
Step by Step Solution
- Step 1: Write the proportion equation
232,142.84 : 348,312.68 = 126,838.79 : x - Step 2: Convert to fraction form
232,142.84/348,312.68 = 126,838.79/x - Step 3: Cross multiply
232,142.84x = 348,312.68 × 126,838.79 - Step 4: Simplify right side
232,142.84x = 44,179,559,585.09 - Step 5: Solve for x
x = 44,179,559,585.09/232,142.84 - Step 6: Final answer
x = 190,311.96
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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.