Finding the Fourth Proportional to 291,319.41, 402,021.44 and 162,256.84
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Solution
The fourth proportional to 291,319.41, 402,021.44 and 162,256.84 is: 223,914.80
Step by Step Solution
- Step 1: Write the proportion equation
291,319.41 : 402,021.44 = 162,256.84 : x - Step 2: Convert to fraction form
291,319.41/402,021.44 = 162,256.84/x - Step 3: Cross multiply
291,319.41x = 402,021.44 × 162,256.84 - Step 4: Simplify right side
291,319.41x = 65,230,728,466.65 - Step 5: Solve for x
x = 65,230,728,466.65/291,319.41 - Step 6: Final answer
x = 223,914.80
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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.