Finding the Fourth Proportional to 249,344.80, 344,098.56 and 136,170.88
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Solution
The fourth proportional to 249,344.80, 344,098.56 and 136,170.88 is: 187,917.31
Step by Step Solution
- Step 1: Write the proportion equation
249,344.80 : 344,098.56 = 136,170.88 : x - Step 2: Convert to fraction form
249,344.80/344,098.56 = 136,170.88/x - Step 3: Cross multiply
249,344.80x = 344,098.56 × 136,170.88 - Step 4: Simplify right side
249,344.80x = 46,856,203,721.93 - Step 5: Solve for x
x = 46,856,203,721.93/249,344.80 - Step 6: Final answer
x = 187,917.31
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1.5x scale
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.