Finding the Fourth Proportional to 642,599.68, 964,040.46 and 243,243.76
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Solution
The fourth proportional to 642,599.68, 964,040.46 and 243,243.76 is: 364,918.99
Step by Step Solution
- Step 1: Write the proportion equation
642,599.68 : 964,040.46 = 243,243.76 : x - Step 2: Convert to fraction form
642,599.68/964,040.46 = 243,243.76/x - Step 3: Cross multiply
642,599.68x = 964,040.46 × 243,243.76 - Step 4: Simplify right side
642,599.68x = 234,496,826,282.53 - Step 5: Solve for x
x = 234,496,826,282.53/642,599.68 - Step 6: Final answer
x = 364,918.99
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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.