Finding the Fourth Proportional to 643,160.99, 964,539.09 and 232,777.33
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Solution
The fourth proportional to 643,160.99, 964,539.09 and 232,777.33 is: 349,092.74
Step by Step Solution
- Step 1: Write the proportion equation
643,160.99 : 964,539.09 = 232,777.33 : x - Step 2: Convert to fraction form
643,160.99/964,539.09 = 232,777.33/x - Step 3: Cross multiply
643,160.99x = 964,539.09 × 232,777.33 - Step 4: Simplify right side
643,160.99x = 224,522,831,639.48 - Step 5: Solve for x
x = 224,522,831,639.48/643,160.99 - Step 6: Final answer
x = 349,092.74
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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.