Finding the Fourth Proportional to 248,828.24, 343,374.28 and 135,648.72
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Solution
The fourth proportional to 248,828.24, 343,374.28 and 135,648.72 is: 187,190.50
Step by Step Solution
- Step 1: Write the proportion equation
248,828.24 : 343,374.28 = 135,648.72 : x - Step 2: Convert to fraction form
248,828.24/343,374.28 = 135,648.72/x - Step 3: Cross multiply
248,828.24x = 343,374.28 × 135,648.72 - Step 4: Simplify right side
248,828.24x = 46,578,281,562.92 - Step 5: Solve for x
x = 46,578,281,562.92/248,828.24 - Step 6: Final answer
x = 187,190.50
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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.