Finding the Fourth Proportional to 416,312.74, 574,525.49 and 255,136.65
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Solution
The fourth proportional to 416,312.74, 574,525.49 and 255,136.65 is: 352,097.10
Step by Step Solution
- Step 1: Write the proportion equation
416,312.74 : 574,525.49 = 255,136.65 : x - Step 2: Convert to fraction form
416,312.74/574,525.49 = 255,136.65/x - Step 3: Cross multiply
416,312.74x = 574,525.49 × 255,136.65 - Step 4: Simplify right side
416,312.74x = 146,582,508,858.21 - Step 5: Solve for x
x = 146,582,508,858.21/416,312.74 - Step 6: Final answer
x = 352,097.10
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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.