Finding the Fourth Proportional to 478,450.08, 717,671.52 and 123,433.92
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Solution
The fourth proportional to 478,450.08, 717,671.52 and 123,433.92 is: 185,149.95
Step by Step Solution
- Step 1: Write the proportion equation
478,450.08 : 717,671.52 = 123,433.92 : x - Step 2: Convert to fraction form
478,450.08/717,671.52 = 123,433.92/x - Step 3: Cross multiply
478,450.08x = 717,671.52 × 123,433.92 - Step 4: Simplify right side
478,450.08x = 88,585,008,985.96 - Step 5: Solve for x
x = 88,585,008,985.96/478,450.08 - Step 6: Final answer
x = 185,149.95
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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.