Finding the Fourth Proportional to 465,803.66, 698,704.63 and 145,980.07
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Solution
The fourth proportional to 465,803.66, 698,704.63 and 145,980.07 is: 218,969.84
Step by Step Solution
- Step 1: Write the proportion equation
465,803.66 : 698,704.63 = 145,980.07 : x - Step 2: Convert to fraction form
465,803.66/698,704.63 = 145,980.07/x - Step 3: Cross multiply
465,803.66x = 698,704.63 × 145,980.07 - Step 4: Simplify right side
465,803.66x = 101,996,953,436.36 - Step 5: Solve for x
x = 101,996,953,436.36/465,803.66 - Step 6: Final answer
x = 218,969.84
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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.