Finding the Fourth Proportional to 438,590.84, 605,190.93 and 244,974.69
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Solution
The fourth proportional to 438,590.84, 605,190.93 and 244,974.69 is: 338,029.09
Step by Step Solution
- Step 1: Write the proportion equation
438,590.84 : 605,190.93 = 244,974.69 : x - Step 2: Convert to fraction form
438,590.84/605,190.93 = 244,974.69/x - Step 3: Cross multiply
438,590.84x = 605,190.93 × 244,974.69 - Step 4: Simplify right side
438,590.84x = 148,256,460,467.56 - Step 5: Solve for x
x = 148,256,460,467.56/438,590.84 - Step 6: Final answer
x = 338,029.09
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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.