Finding the Fourth Proportional to 403,781.34, 604,895.80 and 225,748.44
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Solution
The fourth proportional to 403,781.34, 604,895.80 and 225,748.44 is: 338,188.69
Step by Step Solution
- Step 1: Write the proportion equation
403,781.34 : 604,895.80 = 225,748.44 : x - Step 2: Convert to fraction form
403,781.34/604,895.80 = 225,748.44/x - Step 3: Cross multiply
403,781.34x = 604,895.80 × 225,748.44 - Step 4: Simplify right side
403,781.34x = 136,554,283,212.55 - Step 5: Solve for x
x = 136,554,283,212.55/403,781.34 - Step 6: Final answer
x = 338,188.69
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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.