Finding the Fourth Proportional to 658,007.64, 986,420.70 and 236,989.08
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Solution
The fourth proportional to 658,007.64, 986,420.70 and 236,989.08 is: 355,270.85
Step by Step Solution
- Step 1: Write the proportion equation
658,007.64 : 986,420.70 = 236,989.08 : x - Step 2: Convert to fraction form
658,007.64/986,420.70 = 236,989.08/x - Step 3: Cross multiply
658,007.64x = 986,420.70 × 236,989.08 - Step 4: Simplify right side
658,007.64x = 233,770,934,185.96 - Step 5: Solve for x
x = 233,770,934,185.96/658,007.64 - Step 6: Final answer
x = 355,270.85
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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.