Finding the Fourth Proportional to 461,750.40, 692,107.20 and 195,465.60
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Solution
The fourth proportional to 461,750.40, 692,107.20 and 195,465.60 is: 292,978.95
Step by Step Solution
- Step 1: Write the proportion equation
461,750.40 : 692,107.20 = 195,465.60 : x - Step 2: Convert to fraction form
461,750.40/692,107.20 = 195,465.60/x - Step 3: Cross multiply
461,750.40x = 692,107.20 × 195,465.60 - Step 4: Simplify right side
461,750.40x = 135,283,149,112.32 - Step 5: Solve for x
x = 135,283,149,112.32/461,750.40 - Step 6: Final answer
x = 292,978.95
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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.