Finding the Fourth Proportional to 163,237.98, 225,348.18 and 126,853.59
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Solution
The fourth proportional to 163,237.98, 225,348.18 and 126,853.59 is: 175,119.94
Step by Step Solution
- Step 1: Write the proportion equation
163,237.98 : 225,348.18 = 126,853.59 : x - Step 2: Convert to fraction form
163,237.98/225,348.18 = 126,853.59/x - Step 3: Cross multiply
163,237.98x = 225,348.18 × 126,853.59 - Step 4: Simplify right side
163,237.98x = 28,586,225,632.97 - Step 5: Solve for x
x = 28,586,225,632.97/163,237.98 - Step 6: Final answer
x = 175,119.94
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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.