Finding the Fourth Proportional to 493,308.20, 680,765.29 and 266,953.70
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Solution
The fourth proportional to 493,308.20, 680,765.29 and 266,953.70 is: 368,396.09
Step by Step Solution
- Step 1: Write the proportion equation
493,308.20 : 680,765.29 = 266,953.70 : x - Step 2: Convert to fraction form
493,308.20/680,765.29 = 266,953.70/x - Step 3: Cross multiply
493,308.20x = 680,765.29 × 266,953.70 - Step 4: Simplify right side
493,308.20x = 181,732,812,997.07 - Step 5: Solve for x
x = 181,732,812,997.07/493,308.20 - Step 6: Final answer
x = 368,396.09
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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.