Finding the Fourth Proportional to 127,364.84, 175,718.67 and 76,394.07
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Solution
The fourth proportional to 127,364.84, 175,718.67 and 76,394.07 is: 105,396.94
Step by Step Solution
- Step 1: Write the proportion equation
127,364.84 : 175,718.67 = 76,394.07 : x - Step 2: Convert to fraction form
127,364.84/175,718.67 = 76,394.07/x - Step 3: Cross multiply
127,364.84x = 175,718.67 × 76,394.07 - Step 4: Simplify right side
127,364.84x = 13,423,864,519.53 - Step 5: Solve for x
x = 13,423,864,519.53/127,364.84 - Step 6: Final answer
x = 105,396.94
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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.