Finding the Fourth Proportional to 292,710.14, 403,960.41 and 163,673.75
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Solution
The fourth proportional to 292,710.14, 403,960.41 and 163,673.75 is: 225,881.19
Step by Step Solution
- Step 1: Write the proportion equation
292,710.14 : 403,960.41 = 163,673.75 : x - Step 2: Convert to fraction form
292,710.14/403,960.41 = 163,673.75/x - Step 3: Cross multiply
292,710.14x = 403,960.41 × 163,673.75 - Step 4: Simplify right side
292,710.14x = 66,117,713,136.44 - Step 5: Solve for x
x = 66,117,713,136.44/292,710.14 - Step 6: Final answer
x = 225,881.19
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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.