Finding the Fourth Proportional to 296,889.80, 445,334.70 and 260,025.80
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Solution
The fourth proportional to 296,889.80, 445,334.70 and 260,025.80 is: 390,038.70
Step by Step Solution
- Step 1: Write the proportion equation
296,889.80 : 445,334.70 = 260,025.80 : x - Step 2: Convert to fraction form
296,889.80/445,334.70 = 260,025.80/x - Step 3: Cross multiply
296,889.80x = 445,334.70 × 260,025.80 - Step 4: Simplify right side
296,889.80x = 115,798,511,635.26 - Step 5: Solve for x
x = 115,798,511,635.26/296,889.80 - Step 6: Final answer
x = 390,038.70
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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.