Finding the Fourth Proportional to 408,240.21, 563,646.41 and 365,085.81
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Solution
The fourth proportional to 408,240.21, 563,646.41 and 365,085.81 is: 504,064.28
Step by Step Solution
- Step 1: Write the proportion equation
408,240.21 : 563,646.41 = 365,085.81 : x - Step 2: Convert to fraction form
408,240.21/563,646.41 = 365,085.81/x - Step 3: Cross multiply
408,240.21x = 563,646.41 × 365,085.81 - Step 4: Simplify right side
408,240.21x = 205,779,306,148.44 - Step 5: Solve for x
x = 205,779,306,148.44/408,240.21 - Step 6: Final answer
x = 504,064.28
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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.