Finding the Fourth Proportional to 266,252.99, 367,432.16 and 145,395.72
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Solution
The fourth proportional to 266,252.99, 367,432.16 and 145,395.72 is: 200,647.75
Step by Step Solution
- Step 1: Write the proportion equation
266,252.99 : 367,432.16 = 145,395.72 : x - Step 2: Convert to fraction form
266,252.99/367,432.16 = 145,395.72/x - Step 3: Cross multiply
266,252.99x = 367,432.16 × 145,395.72 - Step 4: Simplify right side
266,252.99x = 53,423,062,727.38 - Step 5: Solve for x
x = 53,423,062,727.38/266,252.99 - Step 6: Final answer
x = 200,647.75
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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.