Finding the Fourth Proportional to 124,420.26, 186,666.81 and 40,178.82
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Solution
The fourth proportional to 124,420.26, 186,666.81 and 40,178.82 is: 60,279.99
Step by Step Solution
- Step 1: Write the proportion equation
124,420.26 : 186,666.81 = 40,178.82 : x - Step 2: Convert to fraction form
124,420.26/186,666.81 = 40,178.82/x - Step 3: Cross multiply
124,420.26x = 186,666.81 × 40,178.82 - Step 4: Simplify right side
124,420.26x = 7,500,052,158.96 - Step 5: Solve for x
x = 7,500,052,158.96/124,420.26 - Step 6: Final answer
x = 60,279.99
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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.