Finding the Fourth Proportional to 416,301.19, 574,509.58 and 255,125.12
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Solution
The fourth proportional to 416,301.19, 574,509.58 and 255,125.12 is: 352,081.20
Step by Step Solution
- Step 1: Write the proportion equation
416,301.19 : 574,509.58 = 255,125.12 : x - Step 2: Convert to fraction form
416,301.19/574,509.58 = 255,125.12/x - Step 3: Cross multiply
416,301.19x = 574,509.58 × 255,125.12 - Step 4: Simplify right side
416,301.19x = 146,571,821,709.38 - Step 5: Solve for x
x = 146,571,821,709.38/416,301.19 - Step 6: Final answer
x = 352,081.20
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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.