Finding the Fourth Proportional to 266,219.48, 367,390.44 and 145,368.42
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Solution
The fourth proportional to 266,219.48, 367,390.44 and 145,368.42 is: 200,612.55
Step by Step Solution
- Step 1: Write the proportion equation
266,219.48 : 367,390.44 = 145,368.42 : x - Step 2: Convert to fraction form
266,219.48/367,390.44 = 145,368.42/x - Step 3: Cross multiply
266,219.48x = 367,390.44 × 145,368.42 - Step 4: Simplify right side
266,219.48x = 53,406,967,785.90 - Step 5: Solve for x
x = 53,406,967,785.90/266,219.48 - Step 6: Final answer
x = 200,612.55
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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.