Finding the Fourth Proportional to 236,903.82, 326,926.50 and 129,473.82
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Solution
The fourth proportional to 236,903.82, 326,926.50 and 129,473.82 is: 178,673.45
Step by Step Solution
- Step 1: Write the proportion equation
236,903.82 : 326,926.50 = 129,473.82 : x - Step 2: Convert to fraction form
236,903.82/326,926.50 = 129,473.82/x - Step 3: Cross multiply
236,903.82x = 326,926.50 × 129,473.82 - Step 4: Simplify right side
236,903.82x = 42,328,422,814.23 - Step 5: Solve for x
x = 42,328,422,814.23/236,903.82 - Step 6: Final answer
x = 178,673.45
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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.