Finding the Fourth Proportional to 249,029.07, 343,659.68 and 135,851.82
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Solution
The fourth proportional to 249,029.07, 343,659.68 and 135,851.82 is: 187,475.27
Step by Step Solution
- Step 1: Write the proportion equation
249,029.07 : 343,659.68 = 135,851.82 : x - Step 2: Convert to fraction form
249,029.07/343,659.68 = 135,851.82/x - Step 3: Cross multiply
249,029.07x = 343,659.68 × 135,851.82 - Step 4: Simplify right side
249,029.07x = 46,686,790,591.06 - Step 5: Solve for x
x = 46,686,790,591.06/249,029.07 - Step 6: Final answer
x = 187,475.27
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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.