Finding the Fourth Proportional to 292,366.97, 438,725.41 and 126,154.97
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Solution
The fourth proportional to 292,366.97, 438,725.41 and 126,154.97 is: 189,307.95
Step by Step Solution
- Step 1: Write the proportion equation
292,366.97 : 438,725.41 = 126,154.97 : x - Step 2: Convert to fraction form
292,366.97/438,725.41 = 126,154.97/x - Step 3: Cross multiply
292,366.97x = 438,725.41 × 126,154.97 - Step 4: Simplify right side
292,366.97x = 55,347,390,782.62 - Step 5: Solve for x
x = 55,347,390,782.62/292,366.97 - Step 6: Final answer
x = 189,307.95
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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.