Finding the Fourth Proportional to 266,243.99, 367,419.71 and 145,386.72
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Solution
The fourth proportional to 266,243.99, 367,419.71 and 145,386.72 is: 200,635.32
Step by Step Solution
- Step 1: Write the proportion equation
266,243.99 : 367,419.71 = 145,386.72 : x - Step 2: Convert to fraction form
266,243.99/367,419.71 = 145,386.72/x - Step 3: Cross multiply
266,243.99x = 367,419.71 × 145,386.72 - Step 4: Simplify right side
266,243.99x = 53,417,946,863.72 - Step 5: Solve for x
x = 53,417,946,863.72/266,243.99 - Step 6: Final answer
x = 200,635.32
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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.