Finding the Fourth Proportional to 291,125.95, 401,732.16 and 163,776.94
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Solution
The fourth proportional to 291,125.95, 401,732.16 and 163,776.94 is: 225,999.99
Step by Step Solution
- Step 1: Write the proportion equation
291,125.95 : 401,732.16 = 163,776.94 : x - Step 2: Convert to fraction form
291,125.95/401,732.16 = 163,776.94/x - Step 3: Cross multiply
291,125.95x = 401,732.16 × 163,776.94 - Step 4: Simplify right side
291,125.95x = 65,794,462,245.90 - Step 5: Solve for x
x = 65,794,462,245.90/291,125.95 - Step 6: Final answer
x = 225,999.99
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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.