Finding the Fourth Proportional to 351,418.17, 527,159.66 and 114,762.09
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Solution
The fourth proportional to 351,418.17, 527,159.66 and 114,762.09 is: 172,153.72
Step by Step Solution
- Step 1: Write the proportion equation
351,418.17 : 527,159.66 = 114,762.09 : x - Step 2: Convert to fraction form
351,418.17/527,159.66 = 114,762.09/x - Step 3: Cross multiply
351,418.17x = 527,159.66 × 114,762.09 - Step 4: Simplify right side
351,418.17x = 60,497,944,345.29 - Step 5: Solve for x
x = 60,497,944,345.29/351,418.17 - Step 6: Final answer
x = 172,153.72
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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.