Finding the Fourth Proportional to 153,120.68, 229,714.14 and 46,495.88
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Solution
The fourth proportional to 153,120.68, 229,714.14 and 46,495.88 is: 69,753.88
Step by Step Solution
- Step 1: Write the proportion equation
153,120.68 : 229,714.14 = 46,495.88 : x - Step 2: Convert to fraction form
153,120.68/229,714.14 = 46,495.88/x - Step 3: Cross multiply
153,120.68x = 229,714.14 × 46,495.88 - Step 4: Simplify right side
153,120.68x = 10,680,761,087.74 - Step 5: Solve for x
x = 10,680,761,087.74/153,120.68 - Step 6: Final answer
x = 69,753.88
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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.