Finding the Fourth Proportional to 331,605.60, 497,926.80 and 191,637.60
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Solution
The fourth proportional to 331,605.60, 497,926.80 and 191,637.60 is: 287,755.99
Step by Step Solution
- Step 1: Write the proportion equation
331,605.60 : 497,926.80 = 191,637.60 : x - Step 2: Convert to fraction form
331,605.60/497,926.80 = 191,637.60/x - Step 3: Cross multiply
331,605.60x = 497,926.80 × 191,637.60 - Step 4: Simplify right side
331,605.60x = 95,421,496,927.68 - Step 5: Solve for x
x = 95,421,496,927.68/331,605.60 - Step 6: Final answer
x = 287,755.99
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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.