Finding the Fourth Proportional to 251,395.20, 377,215.68 and 118,288.68
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Solution
The fourth proportional to 251,395.20, 377,215.68 and 118,288.68 is: 177,490.84
Step by Step Solution
- Step 1: Write the proportion equation
251,395.20 : 377,215.68 = 118,288.68 : x - Step 2: Convert to fraction form
251,395.20/377,215.68 = 118,288.68/x - Step 3: Cross multiply
251,395.20x = 377,215.68 × 118,288.68 - Step 4: Simplify right side
251,395.20x = 44,620,344,862.50 - Step 5: Solve for x
x = 44,620,344,862.50/251,395.20 - Step 6: Final answer
x = 177,490.84
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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.