Finding the Fourth Proportional to 266,438.16, 367,684.09 and 145,580.31
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Solution
The fourth proportional to 266,438.16, 367,684.09 and 145,580.31 is: 200,900.52
Step by Step Solution
- Step 1: Write the proportion equation
266,438.16 : 367,684.09 = 145,580.31 : x - Step 2: Convert to fraction form
266,438.16/367,684.09 = 145,580.31/x - Step 3: Cross multiply
266,438.16x = 367,684.09 × 145,580.31 - Step 4: Simplify right side
266,438.16x = 53,527,563,804.27 - Step 5: Solve for x
x = 53,527,563,804.27/266,438.16 - Step 6: Final answer
x = 200,900.52
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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.