Finding the Fourth Proportional to 430,791.17, 594,654.50 and 338,670.14
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Solution
The fourth proportional to 430,791.17, 594,654.50 and 338,670.14 is: 467,492.69
Step by Step Solution
- Step 1: Write the proportion equation
430,791.17 : 594,654.50 = 338,670.14 : x - Step 2: Convert to fraction form
430,791.17/594,654.50 = 338,670.14/x - Step 3: Cross multiply
430,791.17x = 594,654.50 × 338,670.14 - Step 4: Simplify right side
430,791.17x = 201,391,722,766.63 - Step 5: Solve for x
x = 201,391,722,766.63/430,791.17 - Step 6: Final answer
x = 467,492.69
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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.