Finding the Fourth Proportional to 409,927.48, 565,963.12 and 257,175.12
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Solution
The fourth proportional to 409,927.48, 565,963.12 and 257,175.12 is: 355,066.79
Step by Step Solution
- Step 1: Write the proportion equation
409,927.48 : 565,963.12 = 257,175.12 : x - Step 2: Convert to fraction form
409,927.48/565,963.12 = 257,175.12/x - Step 3: Cross multiply
409,927.48x = 565,963.12 × 257,175.12 - Step 4: Simplify right side
409,927.48x = 145,551,633,301.57 - Step 5: Solve for x
x = 145,551,633,301.57/409,927.48 - Step 6: Final answer
x = 355,066.79
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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.