Finding the Fourth Proportional to 364,197.16, 502,628.82 and 211,282.12
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Solution
The fourth proportional to 364,197.16, 502,628.82 and 211,282.12 is: 291,590.64
Step by Step Solution
- Step 1: Write the proportion equation
364,197.16 : 502,628.82 = 211,282.12 : x - Step 2: Convert to fraction form
364,197.16/502,628.82 = 211,282.12/x - Step 3: Cross multiply
364,197.16x = 502,628.82 × 211,282.12 - Step 4: Simplify right side
364,197.16x = 106,196,481,606.29 - Step 5: Solve for x
x = 106,196,481,606.29/364,197.16 - Step 6: Final answer
x = 291,590.64
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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.