Finding the Fourth Proportional to 133,192.94, 199,787.89 and 38,420.00
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Solution
The fourth proportional to 133,192.94, 199,787.89 and 38,420.00 is: 57,629.56
Step by Step Solution
- Step 1: Write the proportion equation
133,192.94 : 199,787.89 = 38,420.00 : x - Step 2: Convert to fraction form
133,192.94/199,787.89 = 38,420.00/x - Step 3: Cross multiply
133,192.94x = 199,787.89 × 38,420.00 - Step 4: Simplify right side
133,192.94x = 7,675,850,699.13 - Step 5: Solve for x
x = 7,675,850,699.13/133,192.94 - Step 6: Final answer
x = 57,629.56
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1.5x scale
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.