Finding the Fourth Proportional to 249,438.84, 344,212.76 and 136,239.72
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Solution
The fourth proportional to 249,438.84, 344,212.76 and 136,239.72 is: 188,003.80
Step by Step Solution
- Step 1: Write the proportion equation
249,438.84 : 344,212.76 = 136,239.72 : x - Step 2: Convert to fraction form
249,438.84/344,212.76 = 136,239.72/x - Step 3: Cross multiply
249,438.84x = 344,212.76 × 136,239.72 - Step 4: Simplify right side
249,438.84x = 46,895,450,042.83 - Step 5: Solve for x
x = 46,895,450,042.83/249,438.84 - Step 6: Final answer
x = 188,003.80
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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.