Finding the Fourth Proportional to 225,573.40, 338,326.68 and 136,803.07
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Solution
The fourth proportional to 225,573.40, 338,326.68 and 136,803.07 is: 205,184.34
Step by Step Solution
- Step 1: Write the proportion equation
225,573.40 : 338,326.68 = 136,803.07 : x - Step 2: Convert to fraction form
225,573.40/338,326.68 = 136,803.07/x - Step 3: Cross multiply
225,573.40x = 338,326.68 × 136,803.07 - Step 4: Simplify right side
225,573.40x = 46,284,128,486.91 - Step 5: Solve for x
x = 46,284,128,486.91/225,573.40 - Step 6: Final answer
x = 205,184.34
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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.