Finding the Fourth Proportional to 251,877.11, 347,563.98 and 142,946.75
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Solution
The fourth proportional to 251,877.11, 347,563.98 and 142,946.75 is: 197,251.51
Step by Step Solution
- Step 1: Write the proportion equation
251,877.11 : 347,563.98 = 142,946.75 : x - Step 2: Convert to fraction form
251,877.11/347,563.98 = 142,946.75/x - Step 3: Cross multiply
251,877.11x = 347,563.98 × 142,946.75 - Step 4: Simplify right side
251,877.11x = 49,683,141,358.07 - Step 5: Solve for x
x = 49,683,141,358.07/251,877.11 - Step 6: Final answer
x = 197,251.51
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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.