Finding the Fourth Proportional to 289,397.07, 399,358.62 and 160,330.23
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Solution
The fourth proportional to 289,397.07, 399,358.62 and 160,330.23 is: 221,250.54
Step by Step Solution
- Step 1: Write the proportion equation
289,397.07 : 399,358.62 = 160,330.23 : x - Step 2: Convert to fraction form
289,397.07/399,358.62 = 160,330.23/x - Step 3: Cross multiply
289,397.07x = 399,358.62 × 160,330.23 - Step 4: Simplify right side
289,397.07x = 64,029,259,397.08 - Step 5: Solve for x
x = 64,029,259,397.08/289,397.07 - Step 6: Final answer
x = 221,250.54
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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.