Finding the Fourth Proportional to 147,430.73, 203,461.50 and 82,920.17
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Solution
The fourth proportional to 147,430.73, 203,461.50 and 82,920.17 is: 114,433.82
Step by Step Solution
- Step 1: Write the proportion equation
147,430.73 : 203,461.50 = 82,920.17 : x - Step 2: Convert to fraction form
147,430.73/203,461.50 = 82,920.17/x - Step 3: Cross multiply
147,430.73x = 203,461.50 × 82,920.17 - Step 4: Simplify right side
147,430.73x = 16,871,062,168.46 - Step 5: Solve for x
x = 16,871,062,168.46/147,430.73 - Step 6: Final answer
x = 114,433.82
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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.