Finding the Fourth Proportional to 571,900.95, 857,293.74 and 272,300.99
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Solution
The fourth proportional to 571,900.95, 857,293.74 and 272,300.99 is: 408,185.95
Step by Step Solution
- Step 1: Write the proportion equation
571,900.95 : 857,293.74 = 272,300.99 : x - Step 2: Convert to fraction form
571,900.95/857,293.74 = 272,300.99/x - Step 3: Cross multiply
571,900.95x = 857,293.74 × 272,300.99 - Step 4: Simplify right side
571,900.95x = 233,441,929,836.33 - Step 5: Solve for x
x = 233,441,929,836.33/571,900.95 - Step 6: Final answer
x = 408,185.95
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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.