Finding the Fourth Proportional to 405,279.87, 559,355.67 and 235,612.41
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Solution
The fourth proportional to 405,279.87, 559,355.67 and 235,612.41 is: 325,185.50
Step by Step Solution
- Step 1: Write the proportion equation
405,279.87 : 559,355.67 = 235,612.41 : x - Step 2: Convert to fraction form
405,279.87/559,355.67 = 235,612.41/x - Step 3: Cross multiply
405,279.87x = 559,355.67 × 235,612.41 - Step 4: Simplify right side
405,279.87x = 131,791,137,455.87 - Step 5: Solve for x
x = 131,791,137,455.87/405,279.87 - Step 6: Final answer
x = 325,185.50
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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.