Finding the Fourth Proportional to 147,955.19, 221,965.67 and 69,026.36
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Solution
The fourth proportional to 147,955.19, 221,965.67 and 69,026.36 is: 103,554.88
Step by Step Solution
- Step 1: Write the proportion equation
147,955.19 : 221,965.67 = 69,026.36 : x - Step 2: Convert to fraction form
147,955.19/221,965.67 = 69,026.36/x - Step 3: Cross multiply
147,955.19x = 221,965.67 × 69,026.36 - Step 4: Simplify right side
147,955.19x = 15,321,482,245.06 - Step 5: Solve for x
x = 15,321,482,245.06/147,955.19 - Step 6: Final answer
x = 103,554.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.