Finding the Fourth Proportional to 345,136.60, 476,195.52 and 201,931.84
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Solution
The fourth proportional to 345,136.60, 476,195.52 and 201,931.84 is: 278,611.53
Step by Step Solution
- Step 1: Write the proportion equation
345,136.60 : 476,195.52 = 201,931.84 : x - Step 2: Convert to fraction form
345,136.60/476,195.52 = 201,931.84/x - Step 3: Cross multiply
345,136.60x = 476,195.52 × 201,931.84 - Step 4: Simplify right side
345,136.60x = 96,159,037,553.36 - Step 5: Solve for x
x = 96,159,037,553.36/345,136.60 - Step 6: Final answer
x = 278,611.53
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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.