Finding the Fourth Proportional to 291,259.84, 401,938.50 and 163,936.12
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Solution
The fourth proportional to 291,259.84, 401,938.50 and 163,936.12 is: 226,231.80
Step by Step Solution
- Step 1: Write the proportion equation
291,259.84 : 401,938.50 = 163,936.12 : x - Step 2: Convert to fraction form
291,259.84/401,938.50 = 163,936.12/x - Step 3: Cross multiply
291,259.84x = 401,938.50 × 163,936.12 - Step 4: Simplify right side
291,259.84x = 65,892,238,168.62 - Step 5: Solve for x
x = 65,892,238,168.62/291,259.84 - Step 6: Final answer
x = 226,231.80
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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.