Finding the Fourth Proportional to 561,181.26, 774,430.26 and 306,532.38
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Solution
The fourth proportional to 561,181.26, 774,430.26 and 306,532.38 is: 423,014.75
Step by Step Solution
- Step 1: Write the proportion equation
561,181.26 : 774,430.26 = 306,532.38 : x - Step 2: Convert to fraction form
561,181.26/774,430.26 = 306,532.38/x - Step 3: Cross multiply
561,181.26x = 774,430.26 × 306,532.38 - Step 4: Simplify right side
561,181.26x = 237,387,950,741.82 - Step 5: Solve for x
x = 237,387,950,741.82/561,181.26 - Step 6: Final answer
x = 423,014.75
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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.