Finding the Fourth Proportional to 313,729.70, 470,668.35 and 103,367.63
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Solution
The fourth proportional to 313,729.70, 470,668.35 and 103,367.63 is: 155,075.76
Step by Step Solution
- Step 1: Write the proportion equation
313,729.70 : 470,668.35 = 103,367.63 : x - Step 2: Convert to fraction form
313,729.70/470,668.35 = 103,367.63/x - Step 3: Cross multiply
313,729.70x = 470,668.35 × 103,367.63 - Step 4: Simplify right side
313,729.70x = 48,651,869,502.17 - Step 5: Solve for x
x = 48,651,869,502.17/313,729.70 - Step 6: Final answer
x = 155,075.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.