Finding the Fourth Proportional to 402,330.20, 603,884.10 and 202,875.80
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Solution
The fourth proportional to 402,330.20, 603,884.10 and 202,875.80 is: 304,509.75
Step by Step Solution
- Step 1: Write the proportion equation
402,330.20 : 603,884.10 = 202,875.80 : x - Step 2: Convert to fraction form
402,330.20/603,884.10 = 202,875.80/x - Step 3: Cross multiply
402,330.20x = 603,884.10 × 202,875.80 - Step 4: Simplify right side
402,330.20x = 122,513,469,894.78 - Step 5: Solve for x
x = 122,513,469,894.78/402,330.20 - Step 6: Final answer
x = 304,509.75
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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.