Finding the Fourth Proportional to 636,266.16, 878,035.68 and 349,783.68
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Solution
The fourth proportional to 636,266.16, 878,035.68 and 349,783.68 is: 482,695.09
Step by Step Solution
- Step 1: Write the proportion equation
636,266.16 : 878,035.68 = 349,783.68 : x - Step 2: Convert to fraction form
636,266.16/878,035.68 = 349,783.68/x - Step 3: Cross multiply
636,266.16x = 878,035.68 × 349,783.68 - Step 4: Simplify right side
636,266.16x = 307,122,551,321.70 - Step 5: Solve for x
x = 307,122,551,321.70/636,266.16 - Step 6: Final answer
x = 482,695.09
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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.