Finding the Fourth Proportional to 266,589.74, 367,893.78 and 145,731.53
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Solution
The fourth proportional to 266,589.74, 367,893.78 and 145,731.53 is: 201,109.47
Step by Step Solution
- Step 1: Write the proportion equation
266,589.74 : 367,893.78 = 145,731.53 : x - Step 2: Convert to fraction form
266,589.74/367,893.78 = 145,731.53/x - Step 3: Cross multiply
266,589.74x = 367,893.78 × 145,731.53 - Step 4: Simplify right side
266,589.74x = 53,613,721,597.41 - Step 5: Solve for x
x = 53,613,721,597.41/266,589.74 - Step 6: Final answer
x = 201,109.47
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1.5x scale
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.