Finding the Fourth Proportional to 396,772.80, 595,217.52 and 130,483.68
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Solution
The fourth proportional to 396,772.80, 595,217.52 and 130,483.68 is: 195,744.70
Step by Step Solution
- Step 1: Write the proportion equation
396,772.80 : 595,217.52 = 130,483.68 : x - Step 2: Convert to fraction form
396,772.80/595,217.52 = 130,483.68/x - Step 3: Cross multiply
396,772.80x = 595,217.52 × 130,483.68 - Step 4: Simplify right side
396,772.80x = 77,666,172,410.07 - Step 5: Solve for x
x = 77,666,172,410.07/396,772.80 - Step 6: Final answer
x = 195,744.70
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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.