Finding the Fourth Proportional to 349,852.96, 483,029.49 and 269,138.08
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Solution
The fourth proportional to 349,852.96, 483,029.49 and 269,138.08 is: 371,589.34
Step by Step Solution
- Step 1: Write the proportion equation
349,852.96 : 483,029.49 = 269,138.08 : x - Step 2: Convert to fraction form
349,852.96/483,029.49 = 269,138.08/x - Step 3: Cross multiply
349,852.96x = 483,029.49 × 269,138.08 - Step 4: Simplify right side
349,852.96x = 130,001,629,521.98 - Step 5: Solve for x
x = 130,001,629,521.98/349,852.96 - Step 6: Final answer
x = 371,589.34
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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.