Finding the Fourth Proportional to 124,273.89, 186,438.51 and 45,387.99
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Solution
The fourth proportional to 124,273.89, 186,438.51 and 45,387.99 is: 68,092.09
Step by Step Solution
- Step 1: Write the proportion equation
124,273.89 : 186,438.51 = 45,387.99 : x - Step 2: Convert to fraction form
124,273.89/186,438.51 = 45,387.99/x - Step 3: Cross multiply
124,273.89x = 186,438.51 × 45,387.99 - Step 4: Simplify right side
124,273.89x = 8,462,069,227.49 - Step 5: Solve for x
x = 8,462,069,227.49/124,273.89 - Step 6: Final answer
x = 68,092.09
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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.