Finding the Fourth Proportional to 266,842.08, 368,236.53 and 145,983.06
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Solution
The fourth proportional to 266,842.08, 368,236.53 and 145,983.06 is: 201,453.59
Step by Step Solution
- Step 1: Write the proportion equation
266,842.08 : 368,236.53 = 145,983.06 : x - Step 2: Convert to fraction form
266,842.08/368,236.53 = 145,983.06/x - Step 3: Cross multiply
266,842.08x = 368,236.53 × 145,983.06 - Step 4: Simplify right side
266,842.08x = 53,756,295,453.18 - Step 5: Solve for x
x = 53,756,295,453.18/266,842.08 - Step 6: Final answer
x = 201,453.59
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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.