Finding the Fourth Proportional to 438,716.70, 657,637.65 and 201,645.90
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Solution
The fourth proportional to 438,716.70, 657,637.65 and 201,645.90 is: 302,267.81
Step by Step Solution
- Step 1: Write the proportion equation
438,716.70 : 657,637.65 = 201,645.90 : x - Step 2: Convert to fraction form
438,716.70/657,637.65 = 201,645.90/x - Step 3: Cross multiply
438,716.70x = 657,637.65 × 201,645.90 - Step 4: Simplify right side
438,716.70x = 132,609,935,808.14 - Step 5: Solve for x
x = 132,609,935,808.14/438,716.70 - Step 6: Final answer
x = 302,267.81
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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.