Finding the Fourth Proportional to 225,434.64, 338,203.80 and 67,666.08
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Solution
The fourth proportional to 225,434.64, 338,203.80 and 67,666.08 is: 101,514.68
Step by Step Solution
- Step 1: Write the proportion equation
225,434.64 : 338,203.80 = 67,666.08 : x - Step 2: Convert to fraction form
225,434.64/338,203.80 = 67,666.08/x - Step 3: Cross multiply
225,434.64x = 338,203.80 × 67,666.08 - Step 4: Simplify right side
225,434.64x = 22,884,925,387.10 - Step 5: Solve for x
x = 22,884,925,387.10/225,434.64 - Step 6: Final answer
x = 101,514.68
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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.