Finding the Fourth Proportional to 371,263.76, 555,953.64 and 311,134.12
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Solution
The fourth proportional to 371,263.76, 555,953.64 and 311,134.12 is: 465,911.75
Step by Step Solution
- Step 1: Write the proportion equation
371,263.76 : 555,953.64 = 311,134.12 : x - Step 2: Convert to fraction form
371,263.76/555,953.64 = 311,134.12/x - Step 3: Cross multiply
371,263.76x = 555,953.64 × 311,134.12 - Step 4: Simplify right side
371,263.76x = 172,976,146,542.20 - Step 5: Solve for x
x = 172,976,146,542.20/371,263.76 - Step 6: Final answer
x = 465,911.75
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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.