Finding the Fourth Proportional to 270,178.74, 372,860.82 and 155,474.84
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Solution
The fourth proportional to 270,178.74, 372,860.82 and 155,474.84 is: 214,563.43
Step by Step Solution
- Step 1: Write the proportion equation
270,178.74 : 372,860.82 = 155,474.84 : x - Step 2: Convert to fraction form
270,178.74/372,860.82 = 155,474.84/x - Step 3: Cross multiply
270,178.74x = 372,860.82 × 155,474.84 - Step 4: Simplify right side
270,178.74x = 57,970,477,263.92 - Step 5: Solve for x
x = 57,970,477,263.92/270,178.74 - Step 6: Final answer
x = 214,563.43
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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.