Finding the Fourth Proportional to 127,314.07, 175,708.70 and 76,354.84
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Solution
The fourth proportional to 127,314.07, 175,708.70 and 76,354.84 is: 105,378.84
Step by Step Solution
- Step 1: Write the proportion equation
127,314.07 : 175,708.70 = 76,354.84 : x - Step 2: Convert to fraction form
127,314.07/175,708.70 = 76,354.84/x - Step 3: Cross multiply
127,314.07x = 175,708.70 × 76,354.84 - Step 4: Simplify right side
127,314.07x = 13,416,208,854.06 - Step 5: Solve for x
x = 13,416,208,854.06/127,314.07 - Step 6: Final answer
x = 105,378.84
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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.