Finding the Fourth Proportional to 248,955.84, 343,447.92 and 153,427.68
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Solution
The fourth proportional to 248,955.84, 343,447.92 and 153,427.68 is: 211,661.71
Step by Step Solution
- Step 1: Write the proportion equation
248,955.84 : 343,447.92 = 153,427.68 : x - Step 2: Convert to fraction form
248,955.84/343,447.92 = 153,427.68/x - Step 3: Cross multiply
248,955.84x = 343,447.92 × 153,427.68 - Step 4: Simplify right side
248,955.84x = 52,694,417,566.43 - Step 5: Solve for x
x = 52,694,417,566.43/248,955.84 - Step 6: Final answer
x = 211,661.71
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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.