Finding the Fourth Proportional to 296,911.70, 445,367.55 and 260,047.70
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Solution
The fourth proportional to 296,911.70, 445,367.55 and 260,047.70 is: 390,071.55
Step by Step Solution
- Step 1: Write the proportion equation
296,911.70 : 445,367.55 = 260,047.70 : x - Step 2: Convert to fraction form
296,911.70/445,367.55 = 260,047.70/x - Step 3: Cross multiply
296,911.70x = 445,367.55 × 260,047.70 - Step 4: Simplify right side
296,911.70x = 115,816,807,032.14 - Step 5: Solve for x
x = 115,816,807,032.14/296,911.70 - Step 6: Final answer
x = 390,071.55
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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.