Finding the Fourth Proportional to 226,566.95, 312,661.94 and 129,802.14
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Solution
The fourth proportional to 226,566.95, 312,661.94 and 129,802.14 is: 179,126.70
Step by Step Solution
- Step 1: Write the proportion equation
226,566.95 : 312,661.94 = 129,802.14 : x - Step 2: Convert to fraction form
226,566.95/312,661.94 = 129,802.14/x - Step 3: Cross multiply
226,566.95x = 312,661.94 × 129,802.14 - Step 4: Simplify right side
226,566.95x = 40,584,188,259.54 - Step 5: Solve for x
x = 40,584,188,259.54/226,566.95 - Step 6: Final answer
x = 179,126.70
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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.