Finding the Fourth Proportional to 266,490.60, 367,757.99 and 145,633.74
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Solution
The fourth proportional to 266,490.60, 367,757.99 and 145,633.74 is: 200,975.09
Step by Step Solution
- Step 1: Write the proportion equation
266,490.60 : 367,757.99 = 145,633.74 : x - Step 2: Convert to fraction form
266,490.60/367,757.99 = 145,633.74/x - Step 3: Cross multiply
266,490.60x = 367,757.99 × 145,633.74 - Step 4: Simplify right side
266,490.60x = 53,557,971,498.58 - Step 5: Solve for x
x = 53,557,971,498.58/266,490.60 - Step 6: Final answer
x = 200,975.09
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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.