Finding the Fourth Proportional to 406,400.64, 560,779.74 and 234,325.08
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Solution
The fourth proportional to 406,400.64, 560,779.74 and 234,325.08 is: 323,337.97
Step by Step Solution
- Step 1: Write the proportion equation
406,400.64 : 560,779.74 = 234,325.08 : x - Step 2: Convert to fraction form
406,400.64/560,779.74 = 234,325.08/x - Step 3: Cross multiply
406,400.64x = 560,779.74 × 234,325.08 - Step 4: Simplify right side
406,400.64x = 131,404,757,437.88 - Step 5: Solve for x
x = 131,404,757,437.88/406,400.64 - Step 6: Final answer
x = 323,337.97
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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.