Finding the Fourth Proportional to 452,542.41, 678,901.14 and 172,037.79
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Solution
The fourth proportional to 452,542.41, 678,901.14 and 172,037.79 is: 258,089.96
Step by Step Solution
- Step 1: Write the proportion equation
452,542.41 : 678,901.14 = 172,037.79 : x - Step 2: Convert to fraction form
452,542.41/678,901.14 = 172,037.79/x - Step 3: Cross multiply
452,542.41x = 678,901.14 × 172,037.79 - Step 4: Simplify right side
452,542.41x = 116,796,651,754.08 - Step 5: Solve for x
x = 116,796,651,754.08/452,542.41 - Step 6: Final answer
x = 258,089.96
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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.