Finding the Fourth Proportional to 434,541.70, 651,812.55 and 247,917.70
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Solution
The fourth proportional to 434,541.70, 651,812.55 and 247,917.70 is: 371,876.55
Step by Step Solution
- Step 1: Write the proportion equation
434,541.70 : 651,812.55 = 247,917.70 : x - Step 2: Convert to fraction form
434,541.70/651,812.55 = 247,917.70/x - Step 3: Cross multiply
434,541.70x = 651,812.55 × 247,917.70 - Step 4: Simplify right side
434,541.70x = 161,595,868,227.14 - Step 5: Solve for x
x = 161,595,868,227.14/434,541.70 - Step 6: Final answer
x = 371,876.55
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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.