Finding the Fourth Proportional to 518,718.12, 777,856.86 and 203,124.84
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Solution
The fourth proportional to 518,718.12, 777,856.86 and 203,124.84 is: 304,600.98
Step by Step Solution
- Step 1: Write the proportion equation
518,718.12 : 777,856.86 = 203,124.84 : x - Step 2: Convert to fraction form
518,718.12/777,856.86 = 203,124.84/x - Step 3: Cross multiply
518,718.12x = 777,856.86 × 203,124.84 - Step 4: Simplify right side
518,718.12x = 158,002,050,230.40 - Step 5: Solve for x
x = 158,002,050,230.40/518,718.12 - Step 6: Final answer
x = 304,600.98
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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.