Finding the Fourth Proportional to 229,120.84, 316,188.73 and 127,153.18
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Solution
The fourth proportional to 229,120.84, 316,188.73 and 127,153.18 is: 175,472.48
Step by Step Solution
- Step 1: Write the proportion equation
229,120.84 : 316,188.73 = 127,153.18 : x - Step 2: Convert to fraction form
229,120.84/316,188.73 = 127,153.18/x - Step 3: Cross multiply
229,120.84x = 316,188.73 × 127,153.18 - Step 4: Simplify right side
229,120.84x = 40,204,402,499.66 - Step 5: Solve for x
x = 40,204,402,499.66/229,120.84 - Step 6: Final answer
x = 175,472.48
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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.