Finding the Fourth Proportional to 229,290.74, 316,419.57 and 127,315.70
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Solution
The fourth proportional to 229,290.74, 316,419.57 and 127,315.70 is: 175,694.75
Step by Step Solution
- Step 1: Write the proportion equation
229,290.74 : 316,419.57 = 127,315.70 : x - Step 2: Convert to fraction form
229,290.74/316,419.57 = 127,315.70/x - Step 3: Cross multiply
229,290.74x = 316,419.57 × 127,315.70 - Step 4: Simplify right side
229,290.74x = 40,285,179,048.25 - Step 5: Solve for x
x = 40,285,179,048.25/229,290.74 - Step 6: Final answer
x = 175,694.75
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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.