Finding the Fourth Proportional to 416,123.13, 574,249.73 and 234,873.08
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Solution
The fourth proportional to 416,123.13, 574,249.73 and 234,873.08 is: 324,124.73
Step by Step Solution
- Step 1: Write the proportion equation
416,123.13 : 574,249.73 = 234,873.08 : x - Step 2: Convert to fraction form
416,123.13/574,249.73 = 234,873.08/x - Step 3: Cross multiply
416,123.13x = 574,249.73 × 234,873.08 - Step 4: Simplify right side
416,123.13x = 134,875,798,728.65 - Step 5: Solve for x
x = 134,875,798,728.65/416,123.13 - Step 6: Final answer
x = 324,124.73
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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.