Finding the Fourth Proportional to 426,455.76, 588,504.84 and 235,465.08
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Solution
The fourth proportional to 426,455.76, 588,504.84 and 235,465.08 is: 324,939.54
Step by Step Solution
- Step 1: Write the proportion equation
426,455.76 : 588,504.84 = 235,465.08 : x - Step 2: Convert to fraction form
426,455.76/588,504.84 = 235,465.08/x - Step 3: Cross multiply
426,455.76x = 588,504.84 × 235,465.08 - Step 4: Simplify right side
426,455.76x = 138,572,339,230.99 - Step 5: Solve for x
x = 138,572,339,230.99/426,455.76 - Step 6: Final answer
x = 324,939.54
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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.