Finding the Fourth Proportional to 226,528.20, 312,581.70 and 124,536.84
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Solution
The fourth proportional to 226,528.20, 312,581.70 and 124,536.84 is: 171,845.88
Step by Step Solution
- Step 1: Write the proportion equation
226,528.20 : 312,581.70 = 124,536.84 : x - Step 2: Convert to fraction form
226,528.20/312,581.70 = 124,536.84/x - Step 3: Cross multiply
226,528.20x = 312,581.70 × 124,536.84 - Step 4: Simplify right side
226,528.20x = 38,927,937,159.83 - Step 5: Solve for x
x = 38,927,937,159.83/226,528.20 - Step 6: Final answer
x = 171,845.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.