Finding the Fourth Proportional to 254,148.84, 350,725.75 and 140,971.59
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Solution
The fourth proportional to 254,148.84, 350,725.75 and 140,971.59 is: 194,540.99
Step by Step Solution
- Step 1: Write the proportion equation
254,148.84 : 350,725.75 = 140,971.59 : x - Step 2: Convert to fraction form
254,148.84/350,725.75 = 140,971.59/x - Step 3: Cross multiply
254,148.84x = 350,725.75 × 140,971.59 - Step 4: Simplify right side
254,148.84x = 49,442,366,279.01 - Step 5: Solve for x
x = 49,442,366,279.01/254,148.84 - Step 6: Final answer
x = 194,540.99
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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.