Finding the Fourth Proportional to 402,270.87, 603,362.55 and 121,809.99
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Solution
The fourth proportional to 402,270.87, 603,362.55 and 121,809.99 is: 182,701.74
Step by Step Solution
- Step 1: Write the proportion equation
402,270.87 : 603,362.55 = 121,809.99 : x - Step 2: Convert to fraction form
402,270.87/603,362.55 = 121,809.99/x - Step 3: Cross multiply
402,270.87x = 603,362.55 × 121,809.99 - Step 4: Simplify right side
402,270.87x = 73,495,586,181.87 - Step 5: Solve for x
x = 73,495,586,181.87/402,270.87 - Step 6: Final answer
x = 182,701.74
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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.