Finding the Fourth Proportional to 124,304.65, 186,483.98 and 45,418.75
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Solution
The fourth proportional to 124,304.65, 186,483.98 and 45,418.75 is: 68,137.99
Step by Step Solution
- Step 1: Write the proportion equation
124,304.65 : 186,483.98 = 45,418.75 : x - Step 2: Convert to fraction form
124,304.65/186,483.98 = 45,418.75/x - Step 3: Cross multiply
124,304.65x = 186,483.98 × 45,418.75 - Step 4: Simplify right side
124,304.65x = 8,469,869,266.63 - Step 5: Solve for x
x = 8,469,869,266.63/124,304.65 - Step 6: Final answer
x = 68,137.99
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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.