Finding the Fourth Proportional to 416,312.23, 574,524.79 and 255,136.14
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Solution
The fourth proportional to 416,312.23, 574,524.79 and 255,136.14 is: 352,096.40
Step by Step Solution
- Step 1: Write the proportion equation
416,312.23 : 574,524.79 = 255,136.14 : x - Step 2: Convert to fraction form
416,312.23/574,524.79 = 255,136.14/x - Step 3: Cross multiply
416,312.23x = 574,524.79 × 255,136.14 - Step 4: Simplify right side
416,312.23x = 146,582,037,254.91 - Step 5: Solve for x
x = 146,582,037,254.91/416,312.23 - Step 6: Final answer
x = 352,096.40
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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.