Finding the Fourth Proportional to 226,284.39, 312,328.58 and 130,777.29
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Solution
The fourth proportional to 226,284.39, 312,328.58 and 130,777.29 is: 180,505.09
Step by Step Solution
- Step 1: Write the proportion equation
226,284.39 : 312,328.58 = 130,777.29 : x - Step 2: Convert to fraction form
226,284.39/312,328.58 = 130,777.29/x - Step 3: Cross multiply
226,284.39x = 312,328.58 × 130,777.29 - Step 4: Simplify right side
226,284.39x = 40,845,484,628.06 - Step 5: Solve for x
x = 40,845,484,628.06/226,284.39 - Step 6: Final answer
x = 180,505.09
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1.5x scale
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.