Finding the Fourth Proportional to 493,308.19, 680,765.30 and 266,953.69
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Solution
The fourth proportional to 493,308.19, 680,765.30 and 266,953.69 is: 368,396.09
Step by Step Solution
- Step 1: Write the proportion equation
493,308.19 : 680,765.30 = 266,953.69 : x - Step 2: Convert to fraction form
493,308.19/680,765.30 = 266,953.69/x - Step 3: Cross multiply
493,308.19x = 680,765.30 × 266,953.69 - Step 4: Simplify right side
493,308.19x = 181,732,808,858.96 - Step 5: Solve for x
x = 181,732,808,858.96/493,308.19 - 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.