Finding the Fourth Proportional to 493,194.81, 680,608.84 and 266,840.31
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Solution
The fourth proportional to 493,194.81, 680,608.84 and 266,840.31 is: 368,239.63
Step by Step Solution
- Step 1: Write the proportion equation
493,194.81 : 680,608.84 = 266,840.31 : x - Step 2: Convert to fraction form
493,194.81/680,608.84 = 266,840.31/x - Step 3: Cross multiply
493,194.81x = 680,608.84 × 266,840.31 - Step 4: Simplify right side
493,194.81x = 181,613,873,854.34 - Step 5: Solve for x
x = 181,613,873,854.34/493,194.81 - Step 6: Final answer
x = 368,239.63
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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.