Finding the Fourth Proportional to 472,757.96, 652,405.07 and 257,897.96
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Solution
The fourth proportional to 472,757.96, 652,405.07 and 257,897.96 is: 355,898.68
Step by Step Solution
- Step 1: Write the proportion equation
472,757.96 : 652,405.07 = 257,897.96 : x - Step 2: Convert to fraction form
472,757.96/652,405.07 = 257,897.96/x - Step 3: Cross multiply
472,757.96x = 652,405.07 × 257,897.96 - Step 4: Simplify right side
472,757.96x = 168,253,932,095.14 - Step 5: Solve for x
x = 168,253,932,095.14/472,757.96 - Step 6: Final answer
x = 355,898.68
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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.