Finding the Fourth Proportional to 226,284.62, 312,238.08 and 130,772.88
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Solution
The fourth proportional to 226,284.62, 312,238.08 and 130,772.88 is: 180,446.53
Step by Step Solution
- Step 1: Write the proportion equation
226,284.62 : 312,238.08 = 130,772.88 : x - Step 2: Convert to fraction form
226,284.62/312,238.08 = 130,772.88/x - Step 3: Cross multiply
226,284.62x = 312,238.08 × 130,772.88 - Step 4: Simplify right side
226,284.62x = 40,832,272,967.27 - Step 5: Solve for x
x = 40,832,272,967.27/226,284.62 - Step 6: Final answer
x = 180,446.53
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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.