Finding the Fourth Proportional to 229,769.02, 317,075.70 and 127,794.18
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Solution
The fourth proportional to 229,769.02, 317,075.70 and 127,794.18 is: 176,352.88
Step by Step Solution
- Step 1: Write the proportion equation
229,769.02 : 317,075.70 = 127,794.18 : x - Step 2: Convert to fraction form
229,769.02/317,075.70 = 127,794.18/x - Step 3: Cross multiply
229,769.02x = 317,075.70 × 127,794.18 - Step 4: Simplify right side
229,769.02x = 40,520,429,079.43 - Step 5: Solve for x
x = 40,520,429,079.43/229,769.02 - Step 6: Final answer
x = 176,352.88
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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.