Finding the Fourth Proportional to 163,392.48, 225,315.12 and 153,867.84
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Solution
The fourth proportional to 163,392.48, 225,315.12 and 153,867.84 is: 212,180.82
Step by Step Solution
- Step 1: Write the proportion equation
163,392.48 : 225,315.12 = 153,867.84 : x - Step 2: Convert to fraction form
163,392.48/225,315.12 = 153,867.84/x - Step 3: Cross multiply
163,392.48x = 225,315.12 × 153,867.84 - Step 4: Simplify right side
163,392.48x = 34,668,750,833.74 - Step 5: Solve for x
x = 34,668,750,833.74/163,392.48 - Step 6: Final answer
x = 212,180.82
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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.