Finding the Fourth Proportional to 452,247.84, 678,377.34 and 115,288.38
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Solution
The fourth proportional to 452,247.84, 678,377.34 and 115,288.38 is: 172,933.99
Step by Step Solution
- Step 1: Write the proportion equation
452,247.84 : 678,377.34 = 115,288.38 : x - Step 2: Convert to fraction form
452,247.84/678,377.34 = 115,288.38/x - Step 3: Cross multiply
452,247.84x = 678,377.34 × 115,288.38 - Step 4: Simplify right side
452,247.84x = 78,209,024,557.31 - Step 5: Solve for x
x = 78,209,024,557.31/452,247.84 - Step 6: Final answer
x = 172,933.99
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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.