Finding the Fourth Proportional to 124,329.40, 186,493.94 and 57,733.12
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Solution
The fourth proportional to 124,329.40, 186,493.94 and 57,733.12 is: 86,599.59
Step by Step Solution
- Step 1: Write the proportion equation
124,329.40 : 186,493.94 = 57,733.12 : x - Step 2: Convert to fraction form
124,329.40/186,493.94 = 57,733.12/x - Step 3: Cross multiply
124,329.40x = 186,493.94 × 57,733.12 - Step 4: Simplify right side
124,329.40x = 10,766,875,796.16 - Step 5: Solve for x
x = 10,766,875,796.16/124,329.40 - Step 6: Final answer
x = 86,599.59
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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.