Finding the Fourth Proportional to 307,438.95, 458,102.08 and 273,901.31
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Solution
The fourth proportional to 307,438.95, 458,102.08 and 273,901.31 is: 408,129.03
Step by Step Solution
- Step 1: Write the proportion equation
307,438.95 : 458,102.08 = 273,901.31 : x - Step 2: Convert to fraction form
307,438.95/458,102.08 = 273,901.31/x - Step 3: Cross multiply
307,438.95x = 458,102.08 × 273,901.31 - Step 4: Simplify right side
307,438.95x = 125,474,759,825.73 - Step 5: Solve for x
x = 125,474,759,825.73/307,438.95 - Step 6: Final answer
x = 408,129.03
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.