Finding the Fourth Proportional to 249,519.11, 374,426.90 and 91,858.28
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Solution
The fourth proportional to 249,519.11, 374,426.90 and 91,858.28 is: 137,841.99
Step by Step Solution
- Step 1: Write the proportion equation
249,519.11 : 374,426.90 = 91,858.28 : x - Step 2: Convert to fraction form
249,519.11/374,426.90 = 91,858.28/x - Step 3: Cross multiply
249,519.11x = 374,426.90 × 91,858.28 - Step 4: Simplify right side
249,519.11x = 34,394,210,560.44 - Step 5: Solve for x
x = 34,394,210,560.44/249,519.11 - Step 6: Final answer
x = 137,841.99
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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.