Finding the Fourth Proportional to 299,691.92, 449,603.58 and 112,703.36
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Solution
The fourth proportional to 299,691.92, 449,603.58 and 112,703.36 is: 169,079.75
Step by Step Solution
- Step 1: Write the proportion equation
299,691.92 : 449,603.58 = 112,703.36 : x - Step 2: Convert to fraction form
299,691.92/449,603.58 = 112,703.36/x - Step 3: Cross multiply
299,691.92x = 449,603.58 × 112,703.36 - Step 4: Simplify right side
299,691.92x = 50,671,834,134.03 - Step 5: Solve for x
x = 50,671,834,134.03/299,691.92 - Step 6: Final answer
x = 169,079.75
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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.