Finding the Fourth Proportional to 344,364.99, 515,688.40 and 217,622.87
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Solution
The fourth proportional to 344,364.99, 515,688.40 and 217,622.87 is: 325,891.40
Step by Step Solution
- Step 1: Write the proportion equation
344,364.99 : 515,688.40 = 217,622.87 : x - Step 2: Convert to fraction form
344,364.99/515,688.40 = 217,622.87/x - Step 3: Cross multiply
344,364.99x = 515,688.40 × 217,622.87 - Step 4: Simplify right side
344,364.99x = 112,225,588,649.06 - Step 5: Solve for x
x = 112,225,588,649.06/344,364.99 - Step 6: Final answer
x = 325,891.40
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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.