Finding the Fourth Proportional to 291,208.08, 401,800.68 and 163,837.20
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Solution
The fourth proportional to 291,208.08, 401,800.68 and 163,837.20 is: 226,057.94
Step by Step Solution
- Step 1: Write the proportion equation
291,208.08 : 401,800.68 = 163,837.20 : x - Step 2: Convert to fraction form
291,208.08/401,800.68 = 163,837.20/x - Step 3: Cross multiply
291,208.08x = 401,800.68 × 163,837.20 - Step 4: Simplify right side
291,208.08x = 65,829,898,369.30 - Step 5: Solve for x
x = 65,829,898,369.30/291,208.08 - Step 6: Final answer
x = 226,057.94
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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.