Finding the Fourth Proportional to 248,871.44, 343,440.84 and 135,698.96
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Solution
The fourth proportional to 248,871.44, 343,440.84 and 135,698.96 is: 187,263.61
Step by Step Solution
- Step 1: Write the proportion equation
248,871.44 : 343,440.84 = 135,698.96 : x - Step 2: Convert to fraction form
248,871.44/343,440.84 = 135,698.96/x - Step 3: Cross multiply
248,871.44x = 343,440.84 × 135,698.96 - Step 4: Simplify right side
248,871.44x = 46,604,564,809.53 - Step 5: Solve for x
x = 46,604,564,809.53/248,871.44 - Step 6: Final answer
x = 187,263.61
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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.