Finding the Fourth Proportional to 226,241.74, 338,970.62 and 137,308.91
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Solution
The fourth proportional to 226,241.74, 338,970.62 and 137,308.91 is: 205,725.45
Step by Step Solution
- Step 1: Write the proportion equation
226,241.74 : 338,970.62 = 137,308.91 : x - Step 2: Convert to fraction form
226,241.74/338,970.62 = 137,308.91/x - Step 3: Cross multiply
226,241.74x = 338,970.62 × 137,308.91 - Step 4: Simplify right side
226,241.74x = 46,543,685,002.64 - Step 5: Solve for x
x = 46,543,685,002.64/226,241.74 - Step 6: Final answer
x = 205,725.45
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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.