Finding the Fourth Proportional to 406,400.14, 560,779.05 and 234,324.58
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Solution
The fourth proportional to 406,400.14, 560,779.05 and 234,324.58 is: 323,337.28
Step by Step Solution
- Step 1: Write the proportion equation
406,400.14 : 560,779.05 = 234,324.58 : x - Step 2: Convert to fraction form
406,400.14/560,779.05 = 234,324.58/x - Step 3: Cross multiply
406,400.14x = 560,779.05 × 234,324.58 - Step 4: Simplify right side
406,400.14x = 131,404,315,364.05 - Step 5: Solve for x
x = 131,404,315,364.05/406,400.14 - Step 6: Final answer
x = 323,337.28
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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.