Finding the Fourth Proportional to 406,381.60, 609,277.08 and 169,791.94
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Solution
The fourth proportional to 406,381.60, 609,277.08 and 169,791.94 is: 254,564.52
Step by Step Solution
- Step 1: Write the proportion equation
406,381.60 : 609,277.08 = 169,791.94 : x - Step 2: Convert to fraction form
406,381.60/609,277.08 = 169,791.94/x - Step 3: Cross multiply
406,381.60x = 609,277.08 × 169,791.94 - Step 4: Simplify right side
406,381.60x = 103,450,337,410.74 - Step 5: Solve for x
x = 103,450,337,410.74/406,381.60 - Step 6: Final answer
x = 254,564.52
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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.