Finding the Fourth Proportional to 453,473.91, 679,463.46 and 263,400.75
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Solution
The fourth proportional to 453,473.91, 679,463.46 and 263,400.75 is: 394,666.99
Step by Step Solution
- Step 1: Write the proportion equation
453,473.91 : 679,463.46 = 263,400.75 : x - Step 2: Convert to fraction form
453,473.91/679,463.46 = 263,400.75/x - Step 3: Cross multiply
453,473.91x = 679,463.46 × 263,400.75 - Step 4: Simplify right side
453,473.91x = 178,971,184,961.60 - Step 5: Solve for x
x = 178,971,184,961.60/453,473.91 - Step 6: Final answer
x = 394,666.99
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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.