Finding the Fourth Proportional to 270,089.44, 372,721.91 and 149,230.76
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Solution
The fourth proportional to 270,089.44, 372,721.91 and 149,230.76 is: 205,937.60
Step by Step Solution
- Step 1: Write the proportion equation
270,089.44 : 372,721.91 = 149,230.76 : x - Step 2: Convert to fraction form
270,089.44/372,721.91 = 149,230.76/x - Step 3: Cross multiply
270,089.44x = 372,721.91 × 149,230.76 - Step 4: Simplify right side
270,089.44x = 55,621,571,288.19 - Step 5: Solve for x
x = 55,621,571,288.19/270,089.44 - Step 6: Final answer
x = 205,937.60
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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.