Finding the Fourth Proportional to 266,433.68, 367,674.12 and 145,572.38
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Solution
The fourth proportional to 266,433.68, 367,674.12 and 145,572.38 is: 200,887.50
Step by Step Solution
- Step 1: Write the proportion equation
266,433.68 : 367,674.12 = 145,572.38 : x - Step 2: Convert to fraction form
266,433.68/367,674.12 = 145,572.38/x - Step 3: Cross multiply
266,433.68x = 367,674.12 × 145,572.38 - Step 4: Simplify right side
266,433.68x = 53,523,196,712.81 - Step 5: Solve for x
x = 53,523,196,712.81/266,433.68 - Step 6: Final answer
x = 200,887.50
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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.