Finding the Fourth Proportional to 294,517.49, 439,781.09 and 233,865.29
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Solution
The fourth proportional to 294,517.49, 439,781.09 and 233,865.29 is: 349,213.66
Step by Step Solution
- Step 1: Write the proportion equation
294,517.49 : 439,781.09 = 233,865.29 : x - Step 2: Convert to fraction form
294,517.49/439,781.09 = 233,865.29/x - Step 3: Cross multiply
294,517.49x = 439,781.09 × 233,865.29 - Step 4: Simplify right side
294,517.49x = 102,849,528,781.13 - Step 5: Solve for x
x = 102,849,528,781.13/294,517.49 - Step 6: Final answer
x = 349,213.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.