Finding the Fourth Proportional to 380,135.88, 524,603.97 and 210,370.05
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Solution
The fourth proportional to 380,135.88, 524,603.97 and 210,370.05 is: 290,319.78
Step by Step Solution
- Step 1: Write the proportion equation
380,135.88 : 524,603.97 = 210,370.05 : x - Step 2: Convert to fraction form
380,135.88/524,603.97 = 210,370.05/x - Step 3: Cross multiply
380,135.88x = 524,603.97 × 210,370.05 - Step 4: Simplify right side
380,135.88x = 110,360,963,399.10 - Step 5: Solve for x
x = 110,360,963,399.10/380,135.88 - Step 6: Final answer
x = 290,319.78
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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.