Finding the Fourth Proportional to 617,425.38, 926,126.73 and 168,139.44
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Solution
The fourth proportional to 617,425.38, 926,126.73 and 168,139.44 is: 252,206.07
Step by Step Solution
- Step 1: Write the proportion equation
617,425.38 : 926,126.73 = 168,139.44 : x - Step 2: Convert to fraction form
617,425.38/926,126.73 = 168,139.44/x - Step 3: Cross multiply
617,425.38x = 926,126.73 × 168,139.44 - Step 4: Simplify right side
617,425.38x = 155,718,429,751.23 - Step 5: Solve for x
x = 155,718,429,751.23/617,425.38 - Step 6: Final answer
x = 252,206.07
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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.