Finding the Fourth Proportional to 364,618.80, 545,973.48 and 293,161.68
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Solution
The fourth proportional to 364,618.80, 545,973.48 and 293,161.68 is: 438,974.90
Step by Step Solution
- Step 1: Write the proportion equation
364,618.80 : 545,973.48 = 293,161.68 : x - Step 2: Convert to fraction form
364,618.80/545,973.48 = 293,161.68/x - Step 3: Cross multiply
364,618.80x = 545,973.48 × 293,161.68 - Step 4: Simplify right side
364,618.80x = 160,058,502,632.25 - Step 5: Solve for x
x = 160,058,502,632.25/364,618.80 - Step 6: Final answer
x = 438,974.90
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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.