Finding the Fourth Proportional to 531,118.58, 796,913.36 and 278,338.97
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Solution
The fourth proportional to 531,118.58, 796,913.36 and 278,338.97 is: 417,631.86
Step by Step Solution
- Step 1: Write the proportion equation
531,118.58 : 796,913.36 = 278,338.97 : x - Step 2: Convert to fraction form
531,118.58/796,913.36 = 278,338.97/x - Step 3: Cross multiply
531,118.58x = 796,913.36 × 278,338.97 - Step 4: Simplify right side
531,118.58x = 221,812,041,746.19 - Step 5: Solve for x
x = 221,812,041,746.19/531,118.58 - Step 6: Final answer
x = 417,631.86
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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.