Finding the Fourth Proportional to 418,030.09, 626,884.64 and 177,991.81
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Solution
The fourth proportional to 418,030.09, 626,884.64 and 177,991.81 is: 266,919.37
Step by Step Solution
- Step 1: Write the proportion equation
418,030.09 : 626,884.64 = 177,991.81 : x - Step 2: Convert to fraction form
418,030.09/626,884.64 = 177,991.81/x - Step 3: Cross multiply
418,030.09x = 626,884.64 × 177,991.81 - Step 4: Simplify right side
418,030.09x = 111,580,327,710.42 - Step 5: Solve for x
x = 111,580,327,710.42/418,030.09 - Step 6: Final answer
x = 266,919.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.