Finding the Fourth Proportional to 277,315.26, 382,695.08 and 149,990.82
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Solution
The fourth proportional to 277,315.26, 382,695.08 and 149,990.82 is: 206,987.34
Step by Step Solution
- Step 1: Write the proportion equation
277,315.26 : 382,695.08 = 149,990.82 : x - Step 2: Convert to fraction form
277,315.26/382,695.08 = 149,990.82/x - Step 3: Cross multiply
277,315.26x = 382,695.08 × 149,990.82 - Step 4: Simplify right side
277,315.26x = 57,400,748,109.21 - Step 5: Solve for x
x = 57,400,748,109.21/277,315.26 - Step 6: Final answer
x = 206,987.34
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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.