Finding the Fourth Proportional to 266,398.40, 367,655.12 and 145,557.84
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Solution
The fourth proportional to 266,398.40, 367,655.12 and 145,557.84 is: 200,883.66
Step by Step Solution
- Step 1: Write the proportion equation
266,398.40 : 367,655.12 = 145,557.84 : x - Step 2: Convert to fraction form
266,398.40/367,655.12 = 145,557.84/x - Step 3: Cross multiply
266,398.40x = 367,655.12 × 145,557.84 - Step 4: Simplify right side
266,398.40x = 53,515,085,132.14 - Step 5: Solve for x
x = 53,515,085,132.14/266,398.40 - Step 6: Final answer
x = 200,883.66
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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.