Finding the Fourth Proportional to 266,574.12, 367,872.29 and 145,715.91
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Solution
The fourth proportional to 266,574.12, 367,872.29 and 145,715.91 is: 201,087.96
Step by Step Solution
- Step 1: Write the proportion equation
266,574.12 : 367,872.29 = 145,715.91 : x - Step 2: Convert to fraction form
266,574.12/367,872.29 = 145,715.91/x - Step 3: Cross multiply
266,574.12x = 367,872.29 × 145,715.91 - Step 4: Simplify right side
266,574.12x = 53,604,845,501.13 - Step 5: Solve for x
x = 53,604,845,501.13/266,574.12 - Step 6: Final answer
x = 201,087.96
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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.