Finding the Fourth Proportional to 249,195.74, 343,887.04 and 141,765.53
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Solution
The fourth proportional to 249,195.74, 343,887.04 and 141,765.53 is: 195,634.68
Step by Step Solution
- Step 1: Write the proportion equation
249,195.74 : 343,887.04 = 141,765.53 : x - Step 2: Convert to fraction form
249,195.74/343,887.04 = 141,765.53/x - Step 3: Cross multiply
249,195.74x = 343,887.04 × 141,765.53 - Step 4: Simplify right side
249,195.74x = 48,751,328,991.04 - Step 5: Solve for x
x = 48,751,328,991.04/249,195.74 - Step 6: Final answer
x = 195,634.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.