Finding the Fourth Proportional to 518,972.24, 777,989.88 and 186,470.48
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Solution
The fourth proportional to 518,972.24, 777,989.88 and 186,470.48 is: 279,537.39
Step by Step Solution
- Step 1: Write the proportion equation
518,972.24 : 777,989.88 = 186,470.48 : x - Step 2: Convert to fraction form
518,972.24/777,989.88 = 186,470.48/x - Step 3: Cross multiply
518,972.24x = 777,989.88 × 186,470.48 - Step 4: Simplify right side
518,972.24x = 145,072,146,358.74 - Step 5: Solve for x
x = 145,072,146,358.74/518,972.24 - Step 6: Final answer
x = 279,537.39
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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.