Finding the Fourth Proportional to 249,439.12, 374,195.73 and 91,655.26
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Solution
The fourth proportional to 249,439.12, 374,195.73 and 91,655.26 is: 137,496.50
Step by Step Solution
- Step 1: Write the proportion equation
249,439.12 : 374,195.73 = 91,655.26 : x - Step 2: Convert to fraction form
249,439.12/374,195.73 = 91,655.26/x - Step 3: Cross multiply
249,439.12x = 374,195.73 × 91,655.26 - Step 4: Simplify right side
249,439.12x = 34,297,006,924.04 - Step 5: Solve for x
x = 34,297,006,924.04/249,439.12 - Step 6: Final answer
x = 137,496.50
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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.