Finding the Fourth Proportional to 453,183.86, 679,794.24 and 186,918.99
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Solution
The fourth proportional to 453,183.86, 679,794.24 and 186,918.99 is: 280,386.10
Step by Step Solution
- Step 1: Write the proportion equation
453,183.86 : 679,794.24 = 186,918.99 : x - Step 2: Convert to fraction form
453,183.86/679,794.24 = 186,918.99/x - Step 3: Cross multiply
453,183.86x = 679,794.24 × 186,918.99 - Step 4: Simplify right side
453,183.86x = 127,066,453,672.76 - Step 5: Solve for x
x = 127,066,453,672.76/453,183.86 - Step 6: Final answer
x = 280,386.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.