Finding the Fourth Proportional to 636,267.16, 878,037.06 and 349,784.68
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Solution
The fourth proportional to 636,267.16, 878,037.06 and 349,784.68 is: 482,696.47
Step by Step Solution
- Step 1: Write the proportion equation
636,267.16 : 878,037.06 = 349,784.68 : x - Step 2: Convert to fraction form
636,267.16/878,037.06 = 349,784.68/x - Step 3: Cross multiply
636,267.16x = 878,037.06 × 349,784.68 - Step 4: Simplify right side
636,267.16x = 307,123,912,060.24 - Step 5: Solve for x
x = 307,123,912,060.24/636,267.16 - Step 6: Final answer
x = 482,696.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.