Finding the Fourth Proportional to 416,316.24, 574,530.32 and 255,140.14
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Solution
The fourth proportional to 416,316.24, 574,530.32 and 255,140.14 is: 352,101.92
Step by Step Solution
- Step 1: Write the proportion equation
416,316.24 : 574,530.32 = 255,140.14 : x - Step 2: Convert to fraction form
416,316.24/574,530.32 = 255,140.14/x - Step 3: Cross multiply
416,316.24x = 574,530.32 × 255,140.14 - Step 4: Simplify right side
416,316.24x = 146,585,746,279.05 - Step 5: Solve for x
x = 146,585,746,279.05/416,316.24 - Step 6: Final answer
x = 352,101.92
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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.