Finding the Fourth Proportional to 385,362.37, 531,622.60 and 249,440.05
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Solution
The fourth proportional to 385,362.37, 531,622.60 and 249,440.05 is: 344,112.39
Step by Step Solution
- Step 1: Write the proportion equation
385,362.37 : 531,622.60 = 249,440.05 : x - Step 2: Convert to fraction form
385,362.37/531,622.60 = 249,440.05/x - Step 3: Cross multiply
385,362.37x = 531,622.60 × 249,440.05 - Step 4: Simplify right side
385,362.37x = 132,607,967,925.13 - Step 5: Solve for x
x = 132,607,967,925.13/385,362.37 - Step 6: Final answer
x = 344,112.39
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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.