Finding the Fourth Proportional to 210,877.05, 316,283.07 and 68,721.96
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Solution
The fourth proportional to 210,877.05, 316,283.07 and 68,721.96 is: 103,072.35
Step by Step Solution
- Step 1: Write the proportion equation
210,877.05 : 316,283.07 = 68,721.96 : x - Step 2: Convert to fraction form
210,877.05/316,283.07 = 68,721.96/x - Step 3: Cross multiply
210,877.05x = 316,283.07 × 68,721.96 - Step 4: Simplify right side
210,877.05x = 21,735,592,485.22 - Step 5: Solve for x
x = 21,735,592,485.22/210,877.05 - Step 6: Final answer
x = 103,072.35
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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.