Finding the Fourth Proportional to 442,332.63, 663,750.93 and 172,425.65
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Solution
The fourth proportional to 442,332.63, 663,750.93 and 172,425.65 is: 258,736.69
Step by Step Solution
- Step 1: Write the proportion equation
442,332.63 : 663,750.93 = 172,425.65 : x - Step 2: Convert to fraction form
442,332.63/663,750.93 = 172,425.65/x - Step 3: Cross multiply
442,332.63x = 663,750.93 × 172,425.65 - Step 4: Simplify right side
442,332.63x = 114,447,682,224.60 - Step 5: Solve for x
x = 114,447,682,224.60/442,332.63 - Step 6: Final answer
x = 258,736.69
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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.