Finding the Fourth Proportional to 475,177.28, 712,665.60 and 283,136.84
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Solution
The fourth proportional to 475,177.28, 712,665.60 and 283,136.84 is: 424,645.48
Step by Step Solution
- Step 1: Write the proportion equation
475,177.28 : 712,665.60 = 283,136.84 : x - Step 2: Convert to fraction form
475,177.28/712,665.60 = 283,136.84/x - Step 3: Cross multiply
475,177.28x = 712,665.60 × 283,136.84 - Step 4: Simplify right side
475,177.28x = 201,781,885,960.70 - Step 5: Solve for x
x = 201,781,885,960.70/475,177.28 - Step 6: Final answer
x = 424,645.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.