Finding the Fourth Proportional to 448,655.84, 619,129.95 and 267,273.83
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Solution
The fourth proportional to 448,655.84, 619,129.95 and 267,273.83 is: 368,828.88
Step by Step Solution
- Step 1: Write the proportion equation
448,655.84 : 619,129.95 = 267,273.83 : x - Step 2: Convert to fraction form
448,655.84/619,129.95 = 267,273.83/x - Step 3: Cross multiply
448,655.84x = 619,129.95 × 267,273.83 - Step 4: Simplify right side
448,655.84x = 165,477,233,004.21 - Step 5: Solve for x
x = 165,477,233,004.21/448,655.84 - Step 6: Final answer
x = 368,828.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.