Finding the Fourth Proportional to 416,313.05, 574,525.91 and 255,136.95
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Solution
The fourth proportional to 416,313.05, 574,525.91 and 255,136.95 is: 352,097.52
Step by Step Solution
- Step 1: Write the proportion equation
416,313.05 : 574,525.91 = 255,136.95 : x - Step 2: Convert to fraction form
416,313.05/574,525.91 = 255,136.95/x - Step 3: Cross multiply
416,313.05x = 574,525.91 × 255,136.95 - Step 4: Simplify right side
416,313.05x = 146,582,789,011.22 - Step 5: Solve for x
x = 146,582,789,011.22/416,313.05 - Step 6: Final answer
x = 352,097.52
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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.