Finding the Fourth Proportional to 413,924.19, 620,975.88 and 125,712.23
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Solution
The fourth proportional to 413,924.19, 620,975.88 and 125,712.23 is: 188,595.55
Step by Step Solution
- Step 1: Write the proportion equation
413,924.19 : 620,975.88 = 125,712.23 : x - Step 2: Convert to fraction form
413,924.19/620,975.88 = 125,712.23/x - Step 3: Cross multiply
413,924.19x = 620,975.88 × 125,712.23 - Step 4: Simplify right side
413,924.19x = 78,064,259,546.13 - Step 5: Solve for x
x = 78,064,259,546.13/413,924.19 - Step 6: Final answer
x = 188,595.55
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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.