Finding the Fourth Proportional to 144,246.84, 216,390.74 and 44,415.32
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Solution
The fourth proportional to 144,246.84, 216,390.74 and 44,415.32 is: 66,629.29
Step by Step Solution
- Step 1: Write the proportion equation
144,246.84 : 216,390.74 = 44,415.32 : x - Step 2: Convert to fraction form
144,246.84/216,390.74 = 44,415.32/x - Step 3: Cross multiply
144,246.84x = 216,390.74 × 44,415.32 - Step 4: Simplify right side
144,246.84x = 9,611,063,962.14 - Step 5: Solve for x
x = 9,611,063,962.14/144,246.84 - Step 6: Final answer
x = 66,629.29
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1.5x scale
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.