Finding the Fourth Proportional to 292,378.41, 403,482.09 and 158,242.41
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Solution
The fourth proportional to 292,378.41, 403,482.09 and 158,242.41 is: 218,374.46
Step by Step Solution
- Step 1: Write the proportion equation
292,378.41 : 403,482.09 = 158,242.41 : x - Step 2: Convert to fraction form
292,378.41/403,482.09 = 158,242.41/x - Step 3: Cross multiply
292,378.41x = 403,482.09 × 158,242.41 - Step 4: Simplify right side
292,378.41x = 63,847,978,313.44 - Step 5: Solve for x
x = 63,847,978,313.44/292,378.41 - Step 6: Final answer
x = 218,374.46
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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.