Finding the Fourth Proportional to 409,625.36, 565,051.47 and 256,397.53
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Solution
The fourth proportional to 409,625.36, 565,051.47 and 256,397.53 is: 353,683.67
Step by Step Solution
- Step 1: Write the proportion equation
409,625.36 : 565,051.47 = 256,397.53 : x - Step 2: Convert to fraction form
409,625.36/565,051.47 = 256,397.53/x - Step 3: Cross multiply
409,625.36x = 565,051.47 × 256,397.53 - Step 4: Simplify right side
409,625.36x = 144,877,801,230.87 - Step 5: Solve for x
x = 144,877,801,230.87/409,625.36 - Step 6: Final answer
x = 353,683.67
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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.