Finding the Fourth Proportional to 475,213.92, 655,795.68 and 257,423.08
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Solution
The fourth proportional to 475,213.92, 655,795.68 and 257,423.08 is: 355,244.11
Step by Step Solution
- Step 1: Write the proportion equation
475,213.92 : 655,795.68 = 257,423.08 : x - Step 2: Convert to fraction form
475,213.92/655,795.68 = 257,423.08/x - Step 3: Cross multiply
475,213.92x = 655,795.68 × 257,423.08 - Step 4: Simplify right side
475,213.92x = 168,816,943,796.29 - Step 5: Solve for x
x = 168,816,943,796.29/475,213.92 - Step 6: Final answer
x = 355,244.11
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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.