Finding the Fourth Proportional to 225,781.49, 338,672.14 and 68,009.95
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Solution
The fourth proportional to 225,781.49, 338,672.14 and 68,009.95 is: 102,014.89
Step by Step Solution
- Step 1: Write the proportion equation
225,781.49 : 338,672.14 = 68,009.95 : x - Step 2: Convert to fraction form
225,781.49/338,672.14 = 68,009.95/x - Step 3: Cross multiply
225,781.49x = 338,672.14 × 68,009.95 - Step 4: Simplify right side
225,781.49x = 23,033,073,656.08 - Step 5: Solve for x
x = 23,033,073,656.08/225,781.49 - Step 6: Final answer
x = 102,014.89
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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.