Finding the Fourth Proportional to 495,012.12, 683,116.56 and 268,657.62
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Solution
The fourth proportional to 495,012.12, 683,116.56 and 268,657.62 is: 370,747.43
Step by Step Solution
- Step 1: Write the proportion equation
495,012.12 : 683,116.56 = 268,657.62 : x - Step 2: Convert to fraction form
495,012.12/683,116.56 = 268,657.62/x - Step 3: Cross multiply
495,012.12x = 683,116.56 × 268,657.62 - Step 4: Simplify right side
495,012.12x = 183,524,469,192.19 - Step 5: Solve for x
x = 183,524,469,192.19/495,012.12 - Step 6: Final answer
x = 370,747.43
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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.