Finding the Fourth Proportional to 266,030.18, 367,129.44 and 145,179.26
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Solution
The fourth proportional to 266,030.18, 367,129.44 and 145,179.26 is: 200,351.64
Step by Step Solution
- Step 1: Write the proportion equation
266,030.18 : 367,129.44 = 145,179.26 : x - Step 2: Convert to fraction form
266,030.18/367,129.44 = 145,179.26/x - Step 3: Cross multiply
266,030.18x = 367,129.44 × 145,179.26 - Step 4: Simplify right side
266,030.18x = 53,299,582,574.03 - Step 5: Solve for x
x = 53,299,582,574.03/266,030.18 - Step 6: Final answer
x = 200,351.64
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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.