Finding the Fourth Proportional to 264,345.21, 364,796.73 and 143,486.49
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Solution
The fourth proportional to 264,345.21, 364,796.73 and 143,486.49 is: 198,011.54
Step by Step Solution
- Step 1: Write the proportion equation
264,345.21 : 364,796.73 = 143,486.49 : x - Step 2: Convert to fraction form
264,345.21/364,796.73 = 143,486.49/x - Step 3: Cross multiply
264,345.21x = 364,796.73 × 143,486.49 - Step 4: Simplify right side
264,345.21x = 52,343,402,351.18 - Step 5: Solve for x
x = 52,343,402,351.18/264,345.21 - Step 6: Final answer
x = 198,011.54
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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.