Finding the Fourth Proportional to 405,983.63, 609,033.80 and 125,522.75
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Solution
The fourth proportional to 405,983.63, 609,033.80 and 125,522.75 is: 188,302.17
Step by Step Solution
- Step 1: Write the proportion equation
405,983.63 : 609,033.80 = 125,522.75 : x - Step 2: Convert to fraction form
405,983.63/609,033.80 = 125,522.75/x - Step 3: Cross multiply
405,983.63x = 609,033.80 × 125,522.75 - Step 4: Simplify right side
405,983.63x = 76,447,596,791.34 - Step 5: Solve for x
x = 76,447,596,791.34/405,983.63 - Step 6: Final answer
x = 188,302.17
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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.