Finding the Fourth Proportional to 451,670.58, 623,296.08 and 279,542.79
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Solution
The fourth proportional to 451,670.58, 623,296.08 and 279,542.79 is: 385,763.28
Step by Step Solution
- Step 1: Write the proportion equation
451,670.58 : 623,296.08 = 279,542.79 : x - Step 2: Convert to fraction form
451,670.58/623,296.08 = 279,542.79/x - Step 3: Cross multiply
451,670.58x = 623,296.08 × 279,542.79 - Step 4: Simplify right side
451,670.58x = 174,237,925,199.26 - Step 5: Solve for x
x = 174,237,925,199.26/451,670.58 - Step 6: Final answer
x = 385,763.28
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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.