Finding the Fourth Proportional to 575,571.74, 863,979.69 and 243,381.02
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Solution
The fourth proportional to 575,571.74, 863,979.69 and 243,381.02 is: 365,334.58
Step by Step Solution
- Step 1: Write the proportion equation
575,571.74 : 863,979.69 = 243,381.02 : x - Step 2: Convert to fraction form
575,571.74/863,979.69 = 243,381.02/x - Step 3: Cross multiply
575,571.74x = 863,979.69 × 243,381.02 - Step 4: Simplify right side
575,571.74x = 210,276,258,211.48 - Step 5: Solve for x
x = 210,276,258,211.48/575,571.74 - Step 6: Final answer
x = 365,334.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.