Finding the Fourth Proportional to 124,220.88, 186,273.99 and 39,965.40
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Solution
The fourth proportional to 124,220.88, 186,273.99 and 39,965.40 is: 59,929.66
Step by Step Solution
- Step 1: Write the proportion equation
124,220.88 : 186,273.99 = 39,965.40 : x - Step 2: Convert to fraction form
124,220.88/186,273.99 = 39,965.40/x - Step 3: Cross multiply
124,220.88x = 186,273.99 × 39,965.40 - Step 4: Simplify right side
124,220.88x = 7,444,514,519.95 - Step 5: Solve for x
x = 7,444,514,519.95/124,220.88 - Step 6: Final answer
x = 59,929.66
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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.