Finding the Fourth Proportional to 124,359.65, 186,566.12 and 40,124.63
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Solution
The fourth proportional to 124,359.65, 186,566.12 and 40,124.63 is: 60,195.54
Step by Step Solution
- Step 1: Write the proportion equation
124,359.65 : 186,566.12 = 40,124.63 : x - Step 2: Convert to fraction form
124,359.65/186,566.12 = 40,124.63/x - Step 3: Cross multiply
124,359.65x = 186,566.12 × 40,124.63 - Step 4: Simplify right side
124,359.65x = 7,485,895,703.02 - Step 5: Solve for x
x = 7,485,895,703.02/124,359.65 - Step 6: Final answer
x = 60,195.54
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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.