Finding the Fourth Proportional to 518,624.57, 777,493.14 and 199,005.81
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Solution
The fourth proportional to 518,624.57, 777,493.14 and 199,005.81 is: 298,338.45
Step by Step Solution
- Step 1: Write the proportion equation
518,624.57 : 777,493.14 = 199,005.81 : x - Step 2: Convert to fraction form
518,624.57/777,493.14 = 199,005.81/x - Step 3: Cross multiply
518,624.57x = 777,493.14 × 199,005.81 - Step 4: Simplify right side
518,624.57x = 154,725,652,095.14 - Step 5: Solve for x
x = 154,725,652,095.14/518,624.57 - Step 6: Final answer
x = 298,338.45
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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.