Finding the Fourth Proportional to 266,261.84, 367,439.48 and 145,403.14
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Solution
The fourth proportional to 266,261.84, 367,439.48 and 145,403.14 is: 200,655.32
Step by Step Solution
- Step 1: Write the proportion equation
266,261.84 : 367,439.48 = 145,403.14 : x - Step 2: Convert to fraction form
266,261.84/367,439.48 = 145,403.14/x - Step 3: Cross multiply
266,261.84x = 367,439.48 × 145,403.14 - Step 4: Simplify right side
266,261.84x = 53,426,854,151.97 - Step 5: Solve for x
x = 53,426,854,151.97/266,261.84 - Step 6: Final answer
x = 200,655.32
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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.